Doctor insights on:
Can Wearing A Weaker Prescription Damage Your Vision
Eye prescription is +0.25x-1.0. So my power is "+", but spherical equivalent is "-". Am I myopic or hyperopic? Is near or far vision better?
Depends...: +.25 is negligible, so you can say you're emmetropic. However you do have astigmatism, so you are astigmatic. Technically, you're hyperopic with astigmatism. With current data, I couldn't tell you whether near vision or distance vision is better, depends on whether you have presbyopia or not. If you don't have presybiopia, then they are equal. Hope that helps, but it can get confusing.... ...Read more
Counting fingers: A higher degree myopia at the -11 diopter level will not allow you to see the big, 20/400 e on the standard visual changes. The level below that is recorded as counting fingers at some distance (2 feet or 3 feet etc.). Remember that what counts is the corrected vision which should be normal when you wear your glasses or contact lenses. ...Read more
Presbyopia: Correcting for far vision allows the eyes to comfortably focus at distance. At your age, the ability of the eye to change focus begins to deteriorate and is called presbyopia. That's why you see so many people with bifocals where distance is corrected in the upper part and near vision helped in the lower part. ...Read more
How bad is my vision prescription: OD +1.00 -1.25X180 & OS +0.75 -1.75X167 Everywhere I go = a different response. I've heard mild, mod, severe.
Not too bad: You have astigmatism that is with the role axis. This means that your astigmatism is youthful which may correct it self with time as the lids get heavier with age. Your correction is mild-mod. Less than one diopter consider mild and 1-5 consider low-high moderate respectively ...Read more
Or worse...: Wearing contact lenses you got without a prescription puts you at risk for a very serious eye infection that could cause blindness. Contact lenses have to be fit to the eye based on the curvature of the cornea. The solution the contacts are bathed in also should be sterile, which may not be guaranteed in a non-prescription contact. ...Read more
Depends: Need to have more info, like your actual prescription, is it blurry for distance or close up or both, does it have bifocal, etc. Etc. Perhaps there was an error in your prescription and its not actually the same prescription. Also, it could be as simple as different shape and size of your lens. You really need to take it back to the provider and discuss your problem. ...Read more
It should not: Unless you have a fitting problem or abnormal curved cornea, you should not have blurred vision. You should see an eyecare specialist first before attempting this especially if they cause blurred cision, pain or even any discomfort. ...Read more
Why is my vision blurry with my new contacts even though its the same prescription from last time?
Check for mistakes: The most common problems are the contacts are different in each eye and got switched. Also check that they are not flipped inside out, the diameter and curvature are the same, and that they are the same brand. ...Read more
Is it possible for you to correct vision to 20/20 also what is 20/40 can you express it as a prescription?
Yes mostly: If the optical and retinal elements of the eye are normal, then correction to 20/20 is the usual outcome with proper eyeglass correction. 20/40 is a level of vision two lines down from "normal" meaning a line of letters large enough that a person seeing 20/20 could read that line of print 40 feet away. The prescription depends on whether you are myopic, hyperopic or astigmatic. ...Read more
Should I be concerned if my vision prescription is -5.25. What does that stand for when you normally say/see 20/20. Does that mean 20/525?
Those are two different things, like how much you weigh compared to how fast you can run.
Your glasses or contact lens presciption is measured in units called diopters. It is the power of the lens (how curved it is) required to correct your vision back to normal clarity, which is seeing at 20 feet what other normal balanced eyes can see at 20 feet. ...Read more
Depends: The cause of your decrease in vision needs to be identified before a solution can created. The most common cause of decreased vision is refractive error which can be corrected with glasses or contacts. If the decreased vision is from an eye health problem, other solutions maybe available. See your eye doctor. ...Read more
Look for the power: The prescription includes power, base curve, diameter. The higher the power, the stronger the prescription in either myopia (-) or hyperopia (+). ...Read more
No: Eyeglasses do not change eyes.Get a more detailed answer ›
Not reasonable: There are many reasons to wear sunglasses but no reason to wear prescription sunglasses unless there is a need for a prescription. Someone with normal vision does not need corrective lenses and the sunglasses such a person wears should be without correction (we call this plano). ...Read more
No.: An optician cannot provide a patient with a prescription for contact lenses. Only an optometrist (o.D.) or ophthalmologist (M.D.) can provide you with a prescription for contact lenses that should be for the best possible vision. An optician can fill a prescription for glasses/contact lenses. An optician is mostly trained in the dispensing of spectacles based on a prescription by an o.D or M.D. ...Read more
Yes: Your vision will improve, get worse, or remain the same. Please forgive me, no disrespect is intended. These things are unpredictable. You'll be doing yourself a favor if you do wear your prescription rx's, and I hope that you will at least wear them when you are driving a motor vehicle. Many men will like the serious, thoughtful look that glasses give you; or you have a contact lens option. ...Read more
Can tilted glass frames like wayfarers mess with your vision if you have your prescription in them?
Yes: Tilting prescription eyeglasses changes the prescription since they are made assuming a standard distance/ tilt in relation to your eye. See your optical shop to correct the tilted frame. ...Read more
I have new poly lenses have same base curve as old lenses and same prescription, yet vision blurs toward the edges?
Lens quality: Some people have trouble with polycarbonate lenses leading to some distortion in their vision, but usually this is not a problem if they are made well. If you have never used poly before, this could be the problem. If the lenses are much wider that others you have had, this could be a problem even with the same curve. It could be a manufacturing error, so ask the vendor or prescriber to check them ...Read more
My contact lens prescription has changed twice in 9 mos. Because my close up reading vision has improved. Is this unusual for someone who is 59?
No: Your eyes may be changing as a result of nuclear sclerosis, which is hardening of your lens of your eye creating more nearsightedness. Your prescription would be changing as a consequence. Furthermore, the elasticity of the eye does change very gradually over time. Your eye doctor can help you with this and adjust as necessary. Btw, glaucoma treatments sometimes accelerate cataract formation too. ...Read more
I have progressive lenses. Looking to get prescription sunglasses. Is it ok to get single vision lenses in those b/c I only need them for distance?
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