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Doctor insights on: What Is The Difference Between A Lazy Eye And A Regular Eye

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What is the difference between a lazy eye and a regular eye?

What is the difference between a lazy eye and a regular eye?

Two forms of lazy: Amblyopia means the eye cannot see well despite the appropriate prescription being worn (usually 20/40 or worse). The eye can be well aligned but the brain does not use its information. It can be caused by something blocking vision (cataract) or the eye not being aligned. Strabismus means the eye is not aligned, and will lead to amblyopia if not treated. ...Read more

Dr. Dean Bonsall
511 doctors shared insights

Strabismus (Definition)

Strabismus is a medical condition due to weakness or paralysis of one or more muscles that control eye movement. As a result, the eyes are not aligned with each other and ...Read more


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What is the difference between a lazy eye and strabismus?

What is the difference between a lazy eye and strabismus?

A lot: Strabismus is the term used when the eyes do not move exactly synchronously. It is accompanied by double vision. If it is not corrected the brain ignores one of the images and in time we have a lazy eye(meaning the eye has little or no vision). ...Read more

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Is there a difference between a lazy eye and a strabismus?

Is there a difference between a lazy eye and a strabismus?

Yes: Strabismus is the generic term for eyes that are out of alignment. A consequence of this in some cases is the popular term 'lazy eye' which indicates an eye which might drift out of alignment or an eye with lowered vision that cannot be improved (termed amblyopia). Not all lazy eyes are out of alignment but usually if the misalignment persists, one eye will become lowered in vision ('lazy'). ...Read more

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What is the difference between amblyopia(lazy eye) and strabismus(cross eyed)?

What is the difference between amblyopia(lazy eye) and strabismus(cross eyed)?

Big diffrence: Crossed eyes, may result in amblyopia of the eye less used. The brain will mask the image form that eye so patient doesn't see double. Crossed eyes in children less than 2 years old need to be straightened as soon as possible after reasonable amblyopia therapy if present. If eyes are straightened before age 2 3d visison usually develops. Between 2-4 it drops significantly. >4 not possible. ...Read more

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How do I tell the difference between being cross eyed and having a lazy eye?

How do I tell the difference between being cross eyed and having a lazy eye?

By different tests: The term "lazy eye" means different things to different people. Some equate it with crossing eyes. Lazy eye in the sense of reduced vision is diagnosed by measuring the vision, crossed eyes by measuring how much the eye deviates. Crossing eyes in adults are usually treated by surgery. Amblyopia in general can not be improved in an adult. ...Read more

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What’s the difference between strabismus and lazy eye? I though they were the same things, but now i’m reading that they’re not and they can each cause the other. I’m confused!

Not the same: Strabismus means the eyes are crossed - when eyes are crossed in a young child the brain will get confused and ignore the crossed eye, leading to amblyopia or "lazy eye." other causes of a lazy eye can be a very high prescription in one eye that is asymmetric; again the brain starts to ignore the eye with the high prescription (because the image is blurred) and therefore develops amblyopia. ...Read more

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I've always wondered whether I have a lazy eye or not. How can I tell the difference?

Eye exam: Lazy eye can be drifting out or in, or sometimes is aligned but has a weaker visual acuity potential than 20/20 (thus can't be corrected to 20/20). ...Read more

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My son is 22 months old & has a slightly unfocused lazy eye.What can I do? I tried patching for 3 weeks but it didn't make a difference .

My son is 22 months old & has a slightly unfocused lazy eye.What can I do? I tried patching for 3 weeks but it didn't make a difference .

Pediatric eye doc: I hope your son is under the care of pediatric ophthalmologist. There are set criteria and procedures for patching to help resolve strabismus in babies. Unsupervised patching can actually produce poor vision in the "good" eye. Three weeks is not a sufficient time to see a substantial change. You should talk to your doctor about the time frame where you will see a change and his expectations. ...Read more

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Dr. Dean Bonsall
310 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


Dr. Sandra Lora Cremers
298 doctors shared insights

Lazy Eye (Definition)

A "lazy eye" is a generic term that is often used to describe when one eye (1) does not see as well as another eye or (2) does not align properly ...Read more