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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

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Dr. Dean Bonsall
521 doctors shared insights

Strabismus (Definition)

Strabismus refers to misalignment of the eyes. It is typically but not exclusively found in children, with up to 4% incidence in some series. There are a number of surgical and non-surgical treatments for strabismus, based ...Read more


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What is the difference between a lazy eye and strabismus?

Eye function: Lazy eye is a lay term usually used to designate the vision loss that occurs when the brain turns off the eye input because it is fuzzy or misaligned (double vision). We call it amblyopia. Strabismus is a label used when the eyes don't line up and focus on the same object. Some lay people use lazy eye for both issues. ...Read more

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What is the difference between a lazy eye or a strabismus eye?

What is the difference between a lazy eye or a strabismus eye?

Alignment/vision: Strabismus is a simple failure of the eyes to line up & focus on the same point.There are several potential causes. Over time this might lead to lazy eye (amblyopia) where the brain decides to turn off the input of one eye if the images don't line up or one is fuzzier than the other. The "lazy eye" can sometimes be improved if alignment or weakness are fixed early, but may be permanent. ...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!

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?

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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I m 19 yrs n have a lazy eye.It isn't deviated.Is there possibility of eye getting deviated in future?D lazy eye can't c well even using right glasses

I m 19 yrs n have a lazy eye.It isn't deviated.Is there possibility of eye getting deviated in future?D lazy eye can't c well even using right glasses

Possible: Lazy eye, or amblyopia, describes an eye that cannot see well (typically more than 20/40) even with the best prescription lenses. It can be associated with a deviated eye. If the eye has never deviated, it is lees likely that it will as you get over, but there is always a slight possibility. If it was deviated as a child, there is a greater chance that it will deviate later in life. ...Read more

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What causes lazy eye?

What causes lazy eye?

Non-working = lazy: Lazy eye refers to several issues that can cause the brain to quit accepting input from an affected eye, so it is not working =lazy. Example: 1 eye presents a sharp image to the brain, 1 a fuzzy image. The brain chooses to keep the sharp image & quit "looking" at the other image. Timed patching of the good eye makes the brain keep using the weak eye. The eye dr works to improve the weak eye. ...Read more

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How do you fix lazy eye?

How do you fix lazy eye?

Rx May help: Ambliopia is the process where the brain ignores the "camera" picture from one eye because it is less clear or causes double vision. It can sometimes be improved if the weaker eye is strengthened (glasses), the stronger eye is patched or if the eye is lined up better with surgery. If the process has gone on too long, the brain ignores the fix & surgery is simply cosmetic. ...Read more

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How is a lazy eye formed?

How is a lazy eye formed?

Weaker eye: The "lazy" eye is either misaligned and not looking in the right direction, or is less focused than the stronger eye. If not treated at an early age (by age 4), the brain chooses to see preferentially out of the stronger eye. In order not to cause visual confusion, the brain creates a virtual block (scotoma) in front of the lazy eye and becomes unable to use it, even with glasses. ...Read more

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How is a lazy eye treated?

How is a lazy eye treated?

Patches/glasses/drop: Most lazy eye (amblyopia) should be treated before age 9-10. The patient needs a complete, dilated eye exam to determine need for glasses and to rule out any other underlying conditions. Patching or dilating drops are then used in the stronger eye to force the use of the weak eye to make it stronger. http://www.aapos.org/terms/conditions/21 Crossed/wandering eyes can be treated with surgery ...Read more

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How can you fix a lazy eye?

How can you fix a lazy eye?

Yes.: First of all, it depends on the age of the patient. Possible solutions include glasses, patching, or surgery. Talk to your ophthalmologist (not optometrist). ...Read more

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Can you develop a lazy eye?

Can you develop a lazy eye?

Depends: Most pediatric ophthalmologists are abandoning the term, "lazy eye." we prefer to use the term strabismus (eye misalignment) or amblyopia (poor vision from childhood eye problem). Only children can develop amblyopia and they will have life-long vision loss if not treated. Strabismus usually starts in childhood, but adults can also acquire strabismus. ...Read more

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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


Dr. Sandra Lora Cremers
304 doctors shared insights

Lazy Eye (Definition)

Occurs when (1) one eye does not see as well as another eye or (2) does not align properly ...Read more