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Doctor insights on: Refractive Error

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Dr. Robert Chang
72 doctors shared insights

Refractive Error (Overview)

Refractive error is an eye condition where there is a problem in focusing when viewing objects. Nearsightedness and farsightedness are due to refractive errors.


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Is refractive error a disease?

Is refractive error a disease?

Not really: Refractive errors refer to misfocus of the eyes. With a good refraction, normal vision is restored therefore the eye isn't really diseased. ...Read more

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Dr. Jeffrey Stevens
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Dr. Robert Chang
72 doctors shared insights

Refractive Error (Overview)

Refractive error is an eye condition where there is a problem in focusing when viewing objects. Nearsightedness and farsightedness are due to refractive errors.


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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

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Dr. Jeffrey Stevens
Board Certified
70 people helped
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What are the symptoms of a refractive error?

What are the symptoms of a refractive error?

Blurred vision: Blurred vision, headaches, eye strain, glare, halos and double vision can all be symptoms of uncorrected refractive error. ...Read more

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What are the tests for refractive error?

What are the tests for refractive error?

Refraction: Refraction is the testing procedure which can determine refractive error. This is the process by which the glasses prescription is determined. ...Read more

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What harm do refractive errors cause?

Blurred vision and eye strain: Refractive errors include myopia, hyperopia, presbyopia and astigmatism.Wearing glasses or contact lenses, or seeking vision correction surgery, can reduce or eliminate most of these refractive errors. Untreated, refractive errors cause blurred vision and eye strain. Neither blurred vision or eye strain damages the eyes, but it makes reading or seeing far more difficult and uncomfortable and tiring. ...Read more

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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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Dr. Jeffrey Stevens
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Is laser surgery to treat refractive error safe?

Yes: In short yes - very safe. But ask your doctor about potential complications. ...Read more

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What is the treatment for refractive error that is best and has fewest side effects?

Depends on the cause: There are several ways to treat vision problems related to refractive errors (need for prescription correction). The easiest is to wear glasses. Contact lenses can decrease your need for glasses, but must be cared for regularly in order to prevent infections. Laser vision correction and lens replacement surgery are alternatives that can provide lasting glasses-free vision but are costlier. ...Read more

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Can refractive error or poor vision improved by tablets ?

Can refractive error or poor vision improved by tablets ?

No: There are no pills or eye drops to change your refractive error. Poor vision, however, can be for other reasons. See your ophthalmologist to make sure your eyes are healthy. ...Read more

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Who is at risk for refractive errors?

Most of us are.: Almost all of us have some degree of refractive error.That is, almost everyone has some degree of astigmatism, myopia or hyperopia in our prescription.As we age, we also lose the ability to focus up close, so we will eventually develop presbyopia. Some of us can see really sharply at distance or close, or both if we are younger, but that doesnt mean that there isnt some small amount of refractive error in our prescriptions. ...Read more

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Dr. David Kira
98 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


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Dr. Jeffrey Stevens
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