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Doctor insights on: Can Wearing A Weaker Prescription Damage Your Vision

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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?

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 couldnt 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

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Dr. Richard Bensinger
1,666 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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Can wearing a weaker prescription damage your vision?

Can wearing a weaker prescription damage your vision?

No: Just won't be able to see well with them. Sometimes a weaker prescription can be made stronger by tilting or moving the glasses. Also it can improve with a pinhole. ...Read more

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Do eye exercises and wearing a weaker prescription work for improving your vision?

Do eye exercises and wearing a weaker prescription work for improving your vision?

No.: Eye exercises have not been proven in any legimate scientific study to improve vision. Wearing weak glasses will make your eyes tired and give you a headache. They will not improve your vision. ...Read more

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Is a -5.0 vision prescription bad?

Is a -5.0 vision prescription bad?

No: This is a common nearsighted value and as long as it corrects the vision to normal, it is not at all "bad". Bad is when correction is not possible with any lens. ...Read more

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What is my vision if my prescription is -11.00?

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

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What is the prescription for people with 20/400 vision?

What is the prescription for people with 20/400 vision?

Depends: There is not a direct correspondance between 20/400 vision (the big e on the charts), and the values needed to correct it. It will be a combination of + or - power along with some degree of astigmatism. You need an ophthalmologist to determine the exact correction. ...Read more

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Why does my reading vision getting worse with longsighted prescription?

Why does my reading vision getting worse with longsighted prescription?

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

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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.

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

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What does "axis" mean with regards to vision prescriptions?

What does "axis" mean with regards to vision prescriptions?

Astigmatism: The axis is the location of the major component of astigmatism in a glasses or contact lens prescription. It is a number that is from 0 to 180 degrees. ...Read more

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Will non-prescription color contacts make my vision blurry?

Will non-prescription color contacts make my vision blurry?

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