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Doctor insights on: Amblyopia 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 a refractive error?

What is a refractive error?

Eyeglass needs: A refractive error is the technical term for the need for eyeglass correction in all of its forms -myopia, hyperopia, astigmatism, presbyopia. Your ophthalmologist can determine your needs and supply the best eyeglass for correction. ...Read more

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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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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 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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How high is the refractive error in a contact?

How high is the refractive error in a contact?

Ref error: No limits as long as the health of the eye is fine. There are also specialty contact lenses for unusual cases. ...Read more

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Is -1.75 refractive error worrying?

No: You have mild myopia...Near-sightedness. No need to worry! ...Read more

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What is meant by the phrase refractive error?

Image focus problem: Refractive error refers to nearsightedness, farsightedness, or astigmatism. If there is an imbalance between the to eyes, it is called anisometropia. These are all problems the eye has in focussing a clear image on to the retina. ...Read more

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Ok i've got refractive error. What should I do?

Ok i've got refractive error. What should I do?

Or consider surgery: Depending on how much and what type of refractive error, glasses and contacts are good options, or you could consider surgery. Modern techniques allow correction of almost any type of refractive error, including myopia (nearsightedness), hyperopia (farsightedness) and astigmatism. More info at http://www.2020vision.Com/refractive_error.Html and www.2020vision.Com/procedures_lasik.Html. ...Read more

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What is the definition or description of: Refractive error?

Refractive error: 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 of 45 or so. ...Read more

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Can refractive error make you eventually go blind?

No: Refractive error is simply the strength of glasses needed for you to see well. It is the "medicine" in your glasses. Refractive error is directly related to physical properties of your eye; how large or small, curvature of your cornea and the clarity of your lens (early cataract can affect change). It is not a disease, and hence, it can not cause blindness. ...Read more

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How severe is the refractive error in a contact lens?

How severe is the refractive error in a contact lens?

None: Contact lenses do not have refractive errors, but the eye may. Contact lenses come in different powers to compensate for the refractive error of the eye. ...Read more

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How high or low is the refractive error in a contact lens?

How high or low is the refractive error in a contact lens?

For almost all: Contact lenses are available to correct almost every refractive error, including various levels of myopia, hyperopia, and astigmatism. ...Read more

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Refractive error even with 20/20 vision. Is this bad for flying?

Refractive error even with 20/20 vision. Is this bad for flying?

It depends: Refractive error limits for pilots vary by branch of service and probably also by country. In the us air force, a small amount of refractive error is permissible as long as the vision is correctable to 20/20 in each eye. For specifics, visit the medical standards website for your desired branch of service and career field. ...Read more

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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 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 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

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


Dr. Dean Bonsall
311 doctors shared insights

Amblyopia (Definition)

loss not due to a structural problem such as myopia or hyperopia and develops early in life. For ...Read more