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Doctor insights on: Eye Wear Refractive Error

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Dr. Robert Chang
75 doctors shared insights

Refractive Error (Definition)

refractive error means that you need glasses to see well. This can mean that you are near sighted, farsighted or have astigmatism. It also may be a sign that you need readers as you past the age ...Read more


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What is it like when two eyes have different refractive error?

What is it like when two eyes have different refractive error?

It depends: If the difference is small, the brain can usually fuse the two images, especially with the help of glasses. When it becomes very large (anisometropia), it becomes more difficult to fuse and can result in amblyopia. Contact lenses tend to be better tolerated in people with large differences than glasses. ...Read more

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What does the refractive error & corneal refraction in eyes mean?

What does the refractive error & corneal refraction in eyes mean?

Ref error: Total rrfractive error of the eye includes corneal refraction (glasses prescription based on corneal shape ) and lens refractive error. ...Read more

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What is the best method to determine the refractive error of eyes?

What is the best method to determine the refractive error of eyes?

Get an eye exam: Your eye doctor can determine this during an eye exam. There are no do-it-yourself ways to determine an accurate refractive error. ...Read more

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What can I do to boost when I have eye refractive error?

What can I do to boost when I have eye refractive error?

Eyeglasses: Eye refractive error is the technical term for a need for eyeglasses (or contacts) to correct vision. This is the best way to see clearly and your ophthalmologist can evaluate your needs and recommend the best eyeglasses for you. You might be eligible for contacts or lasik. ...Read more

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I have eye strain and 3 weeks ago i found out i had a refractive error?

I have eye strain and 3 weeks ago i found out i had a refractive error?

Presbyopia/Hyperopia: Depending on the degree of your refractive error, you will notice some perceived "eye strain." The most likely cause is Presbyopia which is due to difficulty accommodating (reading) after the age of 40. This can easily be corrected with glasses. Not wearing any correction will NOT harm your eyes; however, the glasses will certainly make it more comfortable for you to see and read. ...Read more

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Can intracranial hypertension (iih or bih) produce refractive error in eyes ?

Can intracranial hypertension (iih or bih) produce refractive error in eyes ?

Vision changes: Intracranial hypertension can cause visual deficits due to swelling of the optic discs at the back of your eyes. ...Read more

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I have a refractive error of -5.75 in both eyes (myopia & astigmatism) and floaters in both eyes. Is a pupil dilation better than the digital retinal?

I have a refractive error of -5.75 in both eyes (myopia & astigmatism) and floaters in both eyes. Is a pupil dilation better than the digital retinal?

Yes: Nothing beats the chance to get a good look at the peripheral retina when there is an onset of new floaters. Dilation is a bit of an annoying pain but is recommended in this circumstance. You are, hopefully, seeing an ophthalmologist. ...Read more

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Please let me know if there is an eye refractive surgery for children?

Please let me know if there is an eye refractive surgery for children?

In special cases: The same gadgetry that is used for adults, can also alter the power of eyes in children. However, it requires general anesthesia, and that is simply not acceptable for a condition which will continue to change. There have been a few special cases in which one eye is impossibly too far from the power of the other eye and might therefore lose vision, but these are special. ...Read more

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Refractive surgery possible to correct astigmatism in eye ?

Refractive surgery possible to correct astigmatism in eye ?

Yes: As long as you have been evaluated and you are a candidate for the procedure, lasik can correct your astigmatism. ...Read more

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What do I need to do in order to get refractive surgery to correct astigmatism in eye ?

Refractive surgery: Patients who are interested in refractive surgery for nearsightedness, farsightedness or astigmatism should be screen by a refractive surgeon to determine if they are good candidates. If so, then their refractive errors can routinely be managed by lasik or prk. ...Read more

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I used to had very less dry eyes and also minor floaters now its fading away but is it mean that I am not eligible for refractive surgery ?

I used to had very less dry eyes and also minor floaters now its fading away but is it mean that I am not eligible for refractive surgery ?

Problems are not : Typical of dry eyes ; floaters at your ageā€¦.. Must see an ophthalmologist for proper dx. I personally do not keep the age 18 as the limit for laser. Simple myopia stabilizes after 7-8 years of start of glasses. Hyperopia can have laser @ any age depending on diagnosis. A person becoming myopic at age 16 does not become stable till age 22-24. Keratoconus ; pathological myopia are different. ...Read more

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How do I find out what refractive error is?

Ref error: Let your eye doctor measure you with an auto-refractor followed by manual refraction (dry and wet). ...Read more

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How do I find out what my refractive error is?

Ophthalmologist: If you need to find this out to get glasses, you will need a prescription from your ophthalmologist. If you already own a pair of glasses an optical shop can tell you the numbers. The reading takes specialized instrumentation and you cannot find this out from things found in the non-optical environment. ...Read more

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How does refractive error relate to your vision?

How does refractive error relate to your vision?

Ref error: Ref error limits your vision hence its correction makes you see without glasses or contact lenses. ...Read more

Dr. David Kira
106 doctors shared insights

Refractive Surgery (Definition)

LASIK is eye surgery that permanently changes the shape of the cornea (the clear covering on the front of the eye) in order to improve vision and reduce a person's dependency on ...Read more


Eye Wear (Definition)

Eye wear is a device that either improves vision or protects the ...Read more