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JC 10 May 2017, 08:26
Thank you for the suggestion regarding motion sickness medication. I'll keep that in mind if I decide to go stronger. Unfortunately I had to work later that day. My job is very safety sensitive and taking anything which might have a sedating effect is not allowed.
I was walking around an unfamiliar city with the +5 combination and decided to take the glasses off and keep them in my shirt pocket for a "bare eyed" experience (not really bare eyed as I was wearing strong minus contacts). After about a mile and half of walking I reached in my pocket and found they were gone. I retraced my steps twice looking for them to no avail, so unfortunately they are a write off. They were about $15 total on Zenni so no big financial loss but I would have liked to use them for more then 2 days. Later I thought of another advantage farsighted people have over nearsighted... OTC readers for emergency use. I got a pair of +3.25 for $1.50. My vision is perfectly comfortable with them, at least for the short time I have been using them.
Cactus Jack 09 May 2017, 08:42
Sorry to be so slow in responding to your last post. I missed it. If you are still having dry eye problems, I suggest considering a lubricating eye drop that contains Carbxyomethylcellulose sodium 0.5% as an active ingredient. I don't know what is available where you live. The Refresh Plus brand in the US is available in single use containers that are very handy and also small bottles. You may find a "house" brand with similar ingredients at a lower price.
Cactus Jack 09 May 2017, 08:27
Motion Sickness is primarily caused by a difference between the motion you see and the motion you feel. Minus glasses act like Wide Angle lenses and Plus glasses act, like you said, as binoculars. With Minus glasses relative motion is slower and with Plus glasses relative motion is faster. The motion sickness will go away with time as your brain adjusts itself to the difference. Curiously, it is almost like your brain has the ability to "store" several different vision processing programs and "load" the appropriate one for the GOC combination you are wearing.
You might find that Motion Sickness pills help you deal with the nausea symptoms.
Some years ago, I had Medial Rectus Muscle Recession surgery. They moved the attach point back on my eyeballs to try to fix an Esophoria problem. As I woke up from the anesthesia, the nurse reached for a trash can. I asked why. She commented that they tried to have a trash can or other container handy just in case the patient experienced severe nausea after some eye surgeries because of the vision differences. Fortunately, I did not need it.
I wish you well with your GOC experiments. High Plus GOC seems to be worse than High Minus GOC for causing initial nausea. If you go higher, you might consider having some Motion Sickness pills, handy.
JC 09 May 2017, 06:49
My actual prescription is about -4 with insignificant astigmatism in both eyes, and for years I have switched between that and a GOC combo with -9.5 glasses. I decided to do something different and got a combination with +5 glasses to see what the farsighted world is like. When I first wore them my initial impression was wow, everything is so huge. It is easier to make out details both near and far -- far vision is like looking through binoculars and near is like looking through a magnifying glass. The downsides are the field of vision is smaller, and when I move my head objects seems to jump around very quickly. It took maybe an hour for me to adjust to this affect and for it to mostly go away, but even later in the day it still made my stomach a little unsettled. Walking on stairs I have to be careful because the stairs look so big to me I sometimes almost miss them when I put my foot down. When I took the contacts off and put my real glasses on things seemed to be moving around oddly again as I readjusted, but I have worn minus lenses for most of my life so this time the adjustment took a minute at most.
What amazes me is that people outside of our community don't notice me going from -4 to -9 to +5, as long as the frame is the same. For me and for most everyone here this is a glaring difference. My wife knows I switch between -4 and -9 but still can't tell which is which. I didn't tell her about the +5 to see if she sees a difference and so far she hasn't. If she ever does, or more likely when I tell her, she'll shake her head and say "there you go again"
JES 13 Apr 2017, 13:36
Did my first GOC yesterday. I am -3 and wear a -8,5 large aviator frame with 1.59 and +4,5 contacts. Thank you, CactusJack, for calculating that for me.
My vision is perfect when I look through the middle of the lens. I felt very happy being a hi-myope and very attractive in my thick glasses.
Rick 12 Apr 2017, 20:40
Also, I presently do not have contacts/glasses. Sorry for forgetting this part in my previous post.
Rick 12 Apr 2017, 20:39
I'm unsure if anyone else named Rick posted before, but this is my first time. My eye color is blue. I was just looking for basic info that's all. Time is of no factor. Thanks!
Robert 12 Apr 2017, 11:41
Finally had an opportunity to try GOC last night. I followed your suggestion and used sterile saline solution, which had a so-so effect. I believe you were right on the money when you said it sounded like my eyes might be on the dry side.
Perhaps I should try some sort of over the counter artificial tears and see how that works. There should be a brand that is user friendly towards extended wear contacts.
Or, do you have a different suggestion?
Cactus Jack 10 Apr 2017, 19:24
One more question. What is your Eye Color?
Cactus Jack 10 Apr 2017, 19:22
It is not hard, but not all ECPs fit color changing contacts. You need to call around. The most important thing is, of course, the power of the lens, followed by the Base Curve and the Diameter. Sometimes people get funny contacts around Halloween, but that is a long time to wait.
I did not look back in the posts to see if you had previously posted. I think you have, but I just can't remember all the details of every member.
The exam for color changing contacts is the same as a regular contact lens exam so you should ask the fees.
Do you presently wear any vision correction?
Rick 10 Apr 2017, 17:43
Just wondering, how simple is it to be fitted for contacts? If I were to schedule an appointment or something to be fitted for contacts that change eye color, is that something typical optometrists accept? My real reasoning behind such an appointment would NOT be for colored contacts, but would the measurements be somewhat the same if I were then to purchase prescription contacts?
Tonylids 10 Apr 2017, 03:55
I've put this on the 'For Sale' page too but, just in case, I've got one unopened box of 6 CooperVision Proclear +11.5 monthly lenses and also 1 further +11.5 and 1 only +12 all in their sealed containers. (BC is 8.6 and diameter is 14.2)
Please email me at email@example.com if you are interested in buying these as a 'job lot' for £30
rafa 07 Apr 2017, 07:46
It's great that you can GOC for the entire day. That means that you don't have any problems of dryness in your eyes.
I myself have been GOC'ing with a -20 pair of glasses for the past few months, but unfortunately I can only endure the contact lenses for a few hours because of dry eyes. Since the prescription of the lenses is so high (+14), I can only use monthly lenses to GOC with my -20, and they don't have as much water content as the daily disposables. And the dailies can only be made to +8 tops.
What is your actual combo now, and what lenses do you use?
Likelenses 06 Apr 2017, 17:54
Based on what you had posted,I assume that you are presently in -9.00 or -10.00, and more than likely they are flat fronts.
What is your regular prescription?
juliette 06 Apr 2017, 15:25
Its interesting to see more people having a desire for stronger, thicker glasses, & wanting to try GOC. I came across this site by chance in the latter part of last year, & the advice I received has helped me to be able to wear stronger/thicker & more prominent glasses, which was my wish.
It was maybe made a little easier as I had been wearing glasses for many years & was also used to wearing contacts.I took the decision that once I started, there would be no going back, & I would try to work up over a period of time to even stronger lenses. The first few days I felt a bit dizzy adjusting to the minification, but after a few days of full time wear around home, the adaption was ok. Since the end of last year, I have from morning to night worn them full time every day. I pop in the contacts in the morning, & then on with the glasses, & I am ready for the day. I have no problems with the combination, & see perfectly, & have totally adapted to the minification. I will try before summer to move up to -12/-14 which will be the same as my partner.
As I said in my previous post, I feel great in them; & very self assured, & only received positive comments about the new look.
JohnnyB 06 Apr 2017, 10:56
I received an email yesterday April 5 2017 that Visiondiret.com will close May 19 and account info transferred to Walgeeens. I tried ordering contacts from them a few yrs ago without luck.
It mentions that the change also affects Lensmart.com, Lensquest.com and Lensworld.com.
Werner 05 Apr 2017, 22:47
Cactus Jack, thanks for the Info.
I will try the +9,5 contact Lens and See what will happen.
Yes i had some experience with contacts. I sometime wear a dayly contact lens for sports.
Cactus Jack 05 Apr 2017, 14:52
Ideally, you should order GOC glasses with the EXACT Cylinder and Axis as your regular prescription. Fortunately, your actual Cylinder is not very high. However, if the -20.00 glasses have ANY Cylinder that DOES NOT exactly match your actual needs, it will reduce your Visual Acuity.
The +9.50 may not be the exact power you need for the -20.00 glasses, but you can adjust the effective power of the glasses by moving them a mm closer or further from your eyes.
It is probably worth a try.
Do you have experience wearing Contact Lenses?
christopher 05 Apr 2017, 14:38
Cactus Jack - thanks for the info. Is it possible to build up enough pseudo myopia to fail an eye test. Would wearing my current GOC combination in which you say I'm over corrected help?
Werner 05 Apr 2017, 13:24
yes-i've a powered lens on the left side. It's about -3,75. i changed only the right Glass in the last 3 years when it wenn from -3,75 to -6,0
GOCer 05 Apr 2017, 13:14
Werner, out of curiosity, in your glasses, do you get a powered lens fitted on your left eye so the two lenses look balanced?
Back to the GOC topic, your situation actually makes GOC easier, because I find one of the challenges in adjusting to large changes in glasses power is the convergence adjustment of images between the two images from the eyes,
Werner 05 Apr 2017, 12:35
thanks for your quick and long answer.
My actuell prescription is -6,0 Sphäre -0,5 cylinder and 161 axle on my right eye. My left eye is unfortunately unable to see because of a macula defect.
The glasses i bought i only know that the have -20 Dioptrien in both lenses. I'm 46 years old. I don't know the VD and i can' measure it buti think 12 or 13 mm is right.
I tested the -20 glasses at Home...it's really exciting :-)
Should i try the +9,5 contacts?
Cactus Jack 05 Apr 2017, 08:21
Going from -6.00 to -20.00 is probably too much for you to tolerate very well. Vision occurs in the brain. Your eyes are merely biological cameras. People who are naturally very Myopic and need -20 glasses had that happen gradually. We typically suggest GOC increases of about -4.00 diopters maximum. We also suggest that you DO NOT buy high minus glasses online with a prescription much different than yours and then try to find some contacts that make them work. If you need Astigmatism correction that is different from what it in the glasses, it MAY NOT be possible to find Contact Lenses to make the glasses wearable and still function.
However, I suspect you are determined to try the -20 glasses. I need your actual complete prescription for your glasses and the complete prescription in the -20 glasses to even begin the calculations or determine if they are even possible to wear comfortably. I also need your age. That will tell me how much your Ciliary Muscles and Crystalline Lenses might be able to compensate for any inaccuracies.
Here are the basics to give you an idea of what is involved.
Vertex Distance (VD) (the distance from the front surface of your Cornea to the back surface of the glasses) is important with your -6.00 glasses and extremely important with -20.00 glasses because it is necessary to calculate the effective power of both glasses at the Cornea. Actual VD is extremely hard to measure accurately. It is typically 10 to 13 mm. I use 12mm in my calculations. The VD problem is that the effects are the Square (^2) of the Glasses Prescription. With -6.00 glasses the VD effects are 0.036 diopters per mm. That is why the perfect Contact Lens prescription would be about 0.43 diopters less than your glasses prescription. The perfect Contact Lens prescription for a person with 0.00 refractive error and -20 glasses would be about +15.00. VD effects with -20 glasses are 0.40 diopters per mm. Because you need -6 glasses, GOC Contact Lenses for -20 glasses would be considerably different. A rough calculation indicates about +9.50 with a VD of 12 mm.
Please understand that even with the most accurate information, GOC is a very inexact "art". The very best way to to High Prescription GOC is with the cooperation of a friendly Eye Care Professional. With a refraction done with the Contact Lenses in place. Even with that, the effective power of -20 glasses will vary by 0.40 diopters per mm of vertex distance.
You may be in for a very big surprise at the distortion in -20 glasses and the effects of the small image size on your Retinas. Be VERY careful going down stairs or crossing curbs (cerbs?) you may not see them and may fall.
Cactus Jack 05 Apr 2017, 07:45
Yes. There are two kinds of Myopia that have the same effect. Both can exist at the same time because they have two different causes. If both are present, their effects are additive.
Axial or True Myopia is caused by a mismatch between the total PLUS power of your eye's lens system (somewhere around +59 diopters) and the length of your eyeball, specifically, the distance from your Crystalline Lens to your Retina (typically around 17 mm). Unfortunately, at 28 it is very unlikely that your eyeballs can grow any more than they already have. Your genes probably won't let that happen or if it does happen, it won't be very much (there are very rare exceptions).
Axial Myopia is considered "permanent" because once your eyeballs have grown to a certain size, like most body structures, they will not shrink.
The other type of Myopia is called Pseudo or False Myopia. It is caused by your Ciliary Muscles and Crystalline Lenses having trouble fully relaxing. Your Ciliary Muscles and Crystalline Lenses are the physically ACTIVE part of your Auto-Focus System. Both are inside your eyes.
The Ciliary Muscles are extremely tiny muscles that squeeze your Crystalline Lenses to increase their PLUS power, so you can focus close. For their size, the Ciliary Muscles are the strongest muscles in the body.
The way the Auto-Focus system works is that the Ciliary Muscles and Crystalline Lenses are fully relaxed for distance vision. When fully relaxed the Crystalline Lenses have about +19 diopters of focusing power (it varies with the individual), but when you focus on something closer (or wear vision correction with more MINUS than you actually need) your Ciliary Muscles squeeze your Crystalline Lenses and INCREASE their PLUS power to focus the images on your Retina. Generally you are not even aware that you are doing it. The amount of extra PLUS you need depends on the distance to the "target" or the amount of excess MINUS you are wearing. The mathematical relationship between lens power and focus distance was discovered by Sir Isaac Newton (yes, that one) back around 1700.
At 28, it is very likely that you can Induce some Pseudo or False Myopia. Pseudo Myopia is considered "temporary", but temporary can be a long time if you nurture it.
It is easy, to Induce Pseudo Myopia. Believe it or not, you are already doing it a little bit. If you spend 7 hours a day working with a computer. It is likely that the distance from your eyes to the display is about 70 cm or 28 inches. Using Sir Isaac's formula: Lens Power = 100 cm / Focus Distance, your Auto-Focus system is adding about +1.4 diopters of power to your Crystalline Lenses.
If you have ever noticed that distant objects or signs are NOT sharp and clear at the end of a day of working with your computer, You have actually Induced a bit of Pseudo Myopia. All you have to do is encourage that by getting some Minus Glasses and wearing them full time. You can start with low minus and increase it at whatever rate you can tolerate.
How high can you go, it depends primarily on your motivation and how far your Presbyopia has progressed. Yes, you have Presbyopia and have probably had it since childhood. Almost everyone has, but it has not become a nuisance yet and problem will not for 10 or 15 more years.
Here is a link to a Paper titled "The Eye" that you might find educational.
I hope this has helped. We can help you with either Inducing Myopia or GOC or both.
Werner 04 Apr 2017, 23:44
I'm new to the goc theme and i would need your help.
I wear usually Glasses with -6,0 Dioptrien and bought now glasses with -20 Dioptrien. How strong should the +contact lenses be to see clear?
Thanks for your answers
christopher 04 Apr 2017, 22:41
no I don't live with family
I use a computer at work for 7 hours a day
you mentioned inducing myopia- is that still possible at 28?
Lurker 04 Apr 2017, 18:43
Best of luck if you choose to tell the people in your life about the GOC activities. Honestly, I've been doing this from glasses ranging from -6 all the way up to -21 off and on for about 20 years. I've told no one. I'm not a hermit. In the time since I started doing GOC I've gone to college, had more or less normal friendships and got married and
Ongoing the way. It's your call how open you want to be, but just be mindful that telling friends and family members isn't some you can undo.
Best of luck to you.
Cactus Jack 04 Apr 2017, 18:39
Sorry I misunderstood. That is a problem, but you may have to be a bit clever. May I ask another question or two?
Do you live with any family members? If you do, that makes it a bit harder, but you just have to be more careful and plant some seeds.
Do you have occasion to use a computer in your work? If so, how much.
At 28, you should have plenty of accommodation
The first seed you need to plant is that you are having trouble reading small text at a distance, when watching TV or at the Cinema. If you do any driving, reading small signs at nite after doing a lot of close work. These are symptom of Myopia.
Comment that you think you should get an eye exam. You don't actually have to do that.
Check out frame styles offered by Zenni Optical or other online retailers. Find one you like that is not too expensive that you think you would like to wear for a long time. Once people are used to seeing you wearing glasses, you can make some lens changes without changing the frame and few people will notice the stronger lenses. However, you will have trouble going too high for public wear, because that will be very noticeable. However you can do GOC at your hearts content, away from your normal haunts. The reason I suggest lower cost frames is that you may not wear the frames for very long, before you order another pair with stronger lenses.
Order a pair of low prescription glasses, say -1.00. At 28 you should not have any problem wearing them, you are already doing GOC with 0.75 over correction. Start wearing them and let everyone get used to your glasses. GOCer's suggestion with your friends will work and family that you have not seen in a long time. With close family, just say that you decided to get an eye exam and it turned out that you needed glasses. You can either start wearing them full time (the best way) or wearing them intermittently when you drive, watch TV or go to the Cinema. Another symptom that is useful when you want to increase your prescription is to have trouble reading menu boards or recognizing people, particularly in low light conditions.
You can slowly increase the prescription in the glasses, keeping the same frame and if you want to, begin to do low prescription GOC if you don't want to Induce any Myopia. When you want to do an increase or change frames "develop" some of the symptoms described above.
I hope this helped a little. One thing you need to remember is that we are all actors on a stage. You want to play the role of a glasses wearer. You have to dress and act the part.
I am sure you have more questions after thinking about the above.
Cactus Jack 04 Apr 2017, 18:05
You may be having insufficient tears or dry eye problems. Contact lenses are supposed to float on a film of tears between the CL and your Corneas. I have experienced similar problems.
You may be able to use several drops of Sterile Saline Solution, Multi-Purpose CL solution or Artificial Tears (a bit pricey for this) and effectively float the lenses free. Observe normal hygiene procedures. After a few seconds, I would touch the lens with my finger and move it around on my Cornea to distribute the solution under the lens and then use normal removal procedures.
Please let me know if this is of any help.
GOCer 04 Apr 2017, 15:15
christopher - it might be hard with close family that would have known if you needed vision correction. With friends, if they ever say "I didn't know you wore glasses" you can always respond with "I usually wear contacts" and they won't think much more about it
Robert 04 Apr 2017, 14:00
I was doing GOC with Cooper Vision Proclear 8.6 14.2 @ +12.00
I had cataract surgery and they no longer fit my eyes well. The problem is in removing them because now they seem to stick like glue. Apparently the shape of my eye has changed. The face of my eye seems to be somewhat flatter than it was in the past. Previously I had no issues wearing or removing these contacts.
Are you able to speculate as to a possible remedy in ordering new contacts?
christopher 04 Apr 2017, 11:37
Thanks cactus jack for all the info. I was more looking for ways to tell friends and family that I suddenly wear glasses. Also I like swimming, how could I swim with my contacts in and also if I ever stayed over at a friends how could I get away with taking the contacts out and putting them in again
Cactus Jack 04 Apr 2017, 08:40
-8 glasses are about -0.75 more that you probably need to match with +6 contacts, but at 28 that should not be a problem.
The biggest issue in going to a higher minus GOC combo is image minifcation. It takes a while for your brain to learn to deal with all the issues. If you are comfortable wearing the +6 / -8 combo for an extended period I would suggest going to -12 glasses and +10 contacts.
You should also consider an eye exam for contacts to find out what Base Curve is best for you and maybe your current actual refractive error. Soft Contact are pretty forgiving, but you need to be sure that you have a good tear film between the contacts and your Cornea.
It will probably be a problem getting regular contacts because of your low prescription. You may need to consider and exam for eye color changing contacts.
I have not considered your small refractive error in my GOC calculations.
By the way, GOC calculations are not difficult and at high Rx the results may be a bit different than the calculations indicate. The differences occur because of Vertex Distance (VD) effects. VD effects are the SQUARE of the Glasses Sphere divided by 1000. If you get up to say -20, VD effects are 0.40 diopters per mm.
Actual VD, which is the distance in mm between your Cornea and the back surface of the glasses is very hard to measure or even estimate. Typical VD is about 10 to 12 mm. I typically use 12 mm in my calculations. To give you an idea of how important VD is in GOC here are some examples of VD effects per mm.
-8.00 glasses = 0.06 diopters per mm
-12.00 glasses = 0.14 diopters per mm
-16.00 glasses = 0.25 diopters per mm
-20.00 glasses = 0.40 diopters per mm
To calculate the effective power of MINUS glasses at the Cornea, you multiply the VD effect per mm of the glasses by the VD and subtract it from the glasses power. For example -16.00 glasses 12 mm from the Cornea have an effective power of -16.00 glasses at the Cornea would be -13.00 and you would need +13.00 contacts if your refractive error was 0.00.
Hope this did not confuse you too much. Let me know what you decide to do or if you need more help.
christopher 03 Apr 2017, 22:58
work in marketing
live in the UK
I actually have -0.25 in my left eye, my right is fine
I wore +6 contacts with -8 glasses and I would like to continue with that or go stronger
Cactus Jack 03 Apr 2017, 17:09
We can help you, but we need more information about you to tell you how to begin. Some the questions may seem innocuous, but the answers help us offer suggestions that are things that you can do.
1. Your age?
2. Your occupation?
3. Where do you live?
4. Have you had a recent eye exam? You mentioned that your vision was too good to get a prescription for glasses. It is very helpful to have some idea of your actual refractive error, if you have any. We may be able to suggest a simple test you can do at home.
5. You mentioned that you have tried GOC. What was the combination you tried.
6. What glasses prescription would you like to wear?
christopher 03 Apr 2017, 15:28
Hi everyone. So I've wanted to wear glasses since I was teenager but unfortunately my vision was too good. A few years ago I heard about GOC and thought I'd give it a try. I've tried it at home and to a few places where no one knows me. now I feel like I'm ready to take the plunge and do it full time. Does anyone have any advice on how to do it? What to say to people etc
lazysiow 28 Mar 2017, 10:01
While this isn't GoC, this couple found another way to at least simulate myopic vision via google cardboard VR
Soundmanpt 02 Mar 2017, 10:47
What your asking is very difficult to answer. Getting glasses is actually very easy to do and you don't need a prescription to order a pair, but just saying you want "strong glasses" makes it hard to suggest what prescription you should order. If you have perfect eyesight and your mainly just interested in wearing glasses that's fine. But you need to order glasses that your eyes will adjust to. Also going from no glasses to suddenly wearing strong glasses will get you lots of unwanted questions from your friends and co workers as well as family. You would be best to start off with very average glasses and as your eyes adjust slowly increase to stronger glasses. As for where to get your glasses I always recommend "zennioptical.com" but "eyebuydirect.com" is also very good and both have a nice large selection of glasses for under $13.00. Zenni actually has a decent selection for under $7.00. For first glasses if you have perfect eyesight I would sya either order -.50 or -.75 for both eyes in the SPH section and leave everything else open. You don't want to fill anything in the CYL or axis areas. You might want to consider getting the optional AR coating which cuts down on glare and reflections and will make wearing glasses even easier for you. I also suggest thatg you answer Cactus Jack's questions because the things he is asking you are important as well.
Oh and you're in the GOC thread is that what you're really wanting to do? If so there is a lot more to it because of needing contacts as well.
Cactus Jack 02 Mar 2017, 08:47
An "Official" prescription is one issued by an Eye Care Professional, typically after an examination.
Glasses are custom made. The people who make glasses need a prescription to know how to make them. Most online retailers of glasses do not require that you provide an "Official" prescription, but they need information from you as to the various elements that make up the prescription. They are for each eye:
Sphere Power, Cylinder Power, Cylinder Axis, Prism Amount, Prism Base Direction, and Add plus special instructions such as the type of bifocal or trifocal.
The also need your Pupillary Distance, which is the distance in mm between the centers of your two pupils.
Not all prescriptions have all elements, but they are typically listed in the above order.
You can t just order "Strong Glasses". The most important thing is that the glasses you order be wearable and comfortable. Otherwise, they are a waste of money and can be very unpleasant to wear.
Leah 02 Mar 2017, 06:36
What does that mean (it doesn't have to be an "official" one)?
Cactus Jack 01 Mar 2017, 23:11
You can get them online with a "prescription", but it does not have to be an official one.
You should not attempt GOC without a plan and some coaching. It is tempting to go to a high glasses prescription, but that generally does not work out very well. Your brain has to learn to "see" with strong glasses and that can be somewhat traumatic, unless you approach it right.
If you want some help, you need to tell us more about yourself:
1. Do you presently wear vision correction? (Glasses or Contacts - which)
2. What is your prescription?
3. Where do you live.
4. What is your age and gender?
5. What is your GOC goal? (Approximate glasses prescription)
6. What is your occupation?
Leah 01 Mar 2017, 20:31
Where can I get strong glasses without a prescription?
Soundmanpt 01 Mar 2017, 16:48
I posted about this way back in 2013, but you might enjoy hearing about it. It really started back in 2012. I used to visit my sister that was living in a different city. Whenever I visited her I also visited the local shopping mall. In the mall there was an optical store. I would usually plan my visits so i could visit on the days when they didn't have a doctor. That meant there was only one optician working and she usually wasn't busy at all. In 2012 they hired a new optician. Very cute young lady and she was hired because she was about to enter optometry school to be an optometrist. Anyway she very nice and very friendly and we talked quite a bit. I noticed that she wasn't wearing glasses and I asked her if she wore glasses and she said her eyesight was perfect. She told me that her dad was a dentist and her older sister was a pharmacist and that they both wear glasses full time, but her eyesight was perfect. She told me that when she decided that she wanted to be an optometrist she knew nothing about glasses but was very curious to know. While her sister was away at college she even went in her room and found several pairs of her old glasses and tried to wear them just to see what it was like to wear glasses. But even the weakest ones she could only wear for very short time before she felt a headache coming on and she had to take them off. That caused me to remember what I had read in this thread about GOC. I work with a non profit vision group and because of that I happened to have a good number of sample glasses that I keep in my car that I use to fit people with glasses that can't afford them. At the time I knew i had a very nice pair with just a -1.25 prescription in them. I told her to go and pull out a pair of trial contact lenses in +1.25 and that I would be right back in. When I came back in she was sitting at a table and she had 2 contact lens packets in her hands. She thought that I wanted them for myself so she was really shocked when I asked her to put them on. She got them both on rather quickly and I as soon s she looked away from the mirror in front of her I could see that she wasn't able to focus. She was smiling and squinting as she was trying hard to see things away from her. I asked her if she was able to read a sign across the room from where we were sitting and she could only make out the bigger letters and she said they were even blurry. I took the glasses out and said "here let's see if these help you" as i put the glasses on her. As soon as I did that she couldn't believe that now she was once again able to see everything perfectly. As you can imagine she was then doing a lot of her own testing of her eyes with and without glasses. But the whole time she had the biggest smile on her face. After several minutes of both looking through the glasses and over the top of them she finally pushed the glasses up in place and said she loved it. She said several times how cool it was to be wearing glasses. We continued talking and she never did take the glasses off she was totally enjoying wearing glasses. After a while a customer came in and needed the nose pads on his glasses replaced. This was going ot be a nice test for for her trying to replace nose pads that have very tiny screws wearing glasses for the first time. I watched her to see if she was going to have any problem and I did notice her move her head a bit as if she was having trouble focusing. But after a few minuted she had both nose pads replaced and he thanked her and left. When she came i asked her if she had any problem doing that and she said that when she first looked down her eyes were seeing the bottom of the glasses so she had to adjust for that. I didn't plan on leaving my sample glasses with her but she was having so much fun so i asked her if she wanted to borrow them until my next visit and she jumped at the chance to wear the glasses more. As it turned out I didn't get back until a month later. She told me that the doctor and her co workers were shocked to see her come into work wearing glasses. She told them about me loaning her the glasses and how she was wearing the opposite contacts to make it work. The doctor was very interested and had never heard of such a thing as GOC and she insisted on testing her eyes with and with her wearing GOC just to be sure that she wasn't doing any harm to her eyes but she proved that with the contacts and glasses her eyesight was perfect as well as without the contacts and glasses. The doctor even said that she was going to have to remember that because she was going to try it for herself. I still keep in touch with her last year she graduated and she is now officially a doctor of optometry. She decided to move out of state for some reason but she told me not long ago that she still enjoys doing GOC just for fun and has shown a good number of people as well.
The other one was a young lady working at a big box store that has an optical center. She also didn't need glasses. In box stores like that they often hire you for one thing and then put you in something else. That was the case here. She had no experience with vision or glasses at all. But once she got trained she really enjoyed her kob. One day when I was in there shopping I stopped and chatted with her a bit. She was at the frame board trying on frames. As soon as she saw me she wanted my opinion as to which ones looked best on her. After a bit i decided on the one I thought looked best and she said that was her 2nd choice but was happy I picked it. She told me that her year was nearly up and that meant she could get a free pair of glasses. I asked her if she needed glasses and she said she wasn't sure but even if she didn't she still wanted a pair of glasses just to wear for fun and at the store as well. She was getting her eyes checked later that week. The next tie I was at her store i saw her working but she wasn't wearing glasses. I asked her if she had gotten her glasses yet and she told me she wasn't very happy. She said that her eyesight was perfect so she didn't really need glasses. But when she went order her glasses she was told that because she didn't have an actual prescription she couldn't get a free pair. Bingo! Remembering how I helped my other friend with perfect vision I still had the very same -1.25 glasses so I told her how she could get glasse sif she wanted and I let her borrow my sample pair to try away from works so she could see that it wouldn't dod any harm to her eyes. She was able to get the glasses she wanted that way and she couldn't stop thanking me.
Sorry for the long post.
Soundmanpt 01 Mar 2017, 15:01
I'm really glad that you're enjoying doing GOC so much. Actually you were a perfect candidate for doing GOC because you were already an experienced contact lens wearer as well as glasses wearer and you clearly like how your husband's glasses look. So with Cactus Jack's help in prescribing you a perfect combination for both contacts and glasses you seem to be enjoying perfect clarity now after a normal adjusting period. One thing you didn't mention which I have a feeling you also enjoy is seeing how much more blurry everything is when you take off your -9.00 glasses compared to your own glasses? It's possible that your eyes might be very slightly over corrected but that's not a bad thing because it's worse to be under corrected. The lenses in your glasses are most likely CR-39 which is what they consider regular lenses, so with -9.00 prescription lenses i'm sure they look nice and thick. I'm not surprised that you are planning if not already making GOC your everyday look now and not just something fun to do on the weekend.
So it seems that your friend is wanting to as you say "join the GOC" club now. It helps that she already wears glasses. Does she wear her glasses full time or part time? And I have a feeling since her prescription isn't very strong I doubt that she has ever wore contacts? So for her the first step she need to do is make an appointment to get contacts. Probably not a bad idea depending when she got her current glasses. When she goes she should be sure to get a copy of her glasses prescription as well as the contact prescription and fitting. The fitting is the main thing and tell her not to bother ordering any contacts in her real prescription unless she really wants contacts in her actual prescription. Once she has the base curve and diameter for her contacts she will be ready to start looking for the glasses she wants to wear and you can help her order the correct contacts to go along with her glasses. Is she wanting her glasses to be as strong as yours?
juliette 01 Mar 2017, 02:57
Your posting really confirms what I feel with these new glasses, I feel much more self assured, self confidence, & more over feel I look much more sophisticated with this GOC combination. But besides this the clarity of my vision is amazing, & I really couldn't imagine it could be so good doing GOC as its called. As you said the lenses I assume are CR 30 something, low index, & have flat fronts & on the outer edges they must be around 10mm thick, & look stunning.
It was a typing error on the power, & I did use 10.50 Biofinity XR for the exercise. The first couple of days I felt a little bit dizzy but that's gone. The whole experience is great, & I intend doing it daily, & hope I can work up to -12.00/-14.00.
Yes my friend does wear glasses, I think her prescription is around -1.5, but she intends to join the 'Club' as someone said.
Thanks to everyone for support & advice..its great
Cactus Jack 27 Feb 2017, 13:01
Here are the calculations assuming a Vertex Distance of 12 mm.
20^2 = 400 /1000 = 0.4 diopters per mm x 12 mm = 4.8
I made a mistake. I should have added the 4.8 to the +20 for PLUS glasses VD effect. I do so many calculations for MINUS glasses that I inadvertently subtracted. The CLs for +20 glasses should be -25.00. Theoretically, it should be about -24.8 assuming a VD of 12 mm. The VD is a SWAG and with +/-20 glasses it is a major factor. If a person is not too old, I suggest a little more MINUS or a little less PLUS that I think you will need because your Ciliary Muscles and Crystalline Lenses should be able to add a little PLUS to compensate.
Thanks for calling this to my attention.
Please note the change in the suggested GOC combination. Please DO NOT buy any glasses or contacts until we discuss this further.
Brit 27 Feb 2017, 12:21
Cactus are you sure about the previous posting?
Cactus Jack 27 Feb 2017, 10:57
To answer your specific question, you need approximately -15 contact lenses to go with +20 glasses, assuming you have perfect uncorrected vision and have enough accommodation range to compensate slightly for any errors. If you don't know why there is a difference between the power of the Glasses and the Contact Lenses, you probably need some serious coaching.
If you want to do successful GOC we need to start with answers to these questions:
1. How old are you?
2. Where do you live?
3. What is your latest glasses prescription?
4. Have you ever worn Contact Lenses?
You need to approach high prescription GOC slowly, carefully and with planning.
Based on the answers to the above questions, there will probably be more questions.
26 Feb 2017, 20:33
can any one suggest me what would be an ideal pair of contact lens power ,if i want to wear +20 glasses