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Doctor insights on: Is There A Difference Between A Lazy Eye And A Strabismus

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Dr. Dean Bonsall
527 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 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 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 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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What is the difference between strabismus and lazy eye?

What is the difference between strabismus and lazy eye?

Lazy eye: Lazy eye (amblyopia) & strabismus are used interchangeably, having same meaning. Other names are crossed eyes or wandering eyes. ...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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How do a lazy eye and a strabismus differ?

How do a lazy eye and a strabismus differ?

Both generic: Both these terms are generically used for ocular motility disorders. "lazy eye" is a laymen's term. Strabismus is the medical term for any misalignment of the eyes. There are many forms of strabismus and therefore may treatments. ...Read more

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Question for people who know about strabismus and lazy eye: which comes first?

Question for people who know about strabismus and lazy eye: which comes first?

Strabismus: Lazy eye, or amblyopia, is caused by not being able to use the eyes together in a child. Misaligned eyes, or strabismis, is the most common cause. ...Read more

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Might glasses correct strabismus/lazy eye?

Might glasses correct strabismus/lazy eye?

Maybe, maybe not: Ambliopia (lazy eye) 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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Is there a way to fix strabismus/lazy eye without surgery?

Is there a way to fix strabismus/lazy eye without surgery?

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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Can contacts correct strabismus or lazy eye the same way glasses do?

Can contacts correct strabismus or lazy eye the same way glasses do?

It depends: Contact lenses cannot be used for prism correction of strabismus. Glasses are the better choice for this. For lazy eye, in some cases contacts can work well to correct vision in the lazy eye. It depends on the cause of the lazy eye. See your local ophthalmologist for a thorough exam. ...Read more

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Could prism glasses help reduce the look of lazy eye (strabismus)?

Could prism glasses help reduce the look of lazy eye (strabismus)?

Sometimes: Prisms will shift the image and can improve the appearance of modest strabismus. But if the turning of the 'lazy eye' is too much, then the prism needed for cosmetic correction would be too thick and would itself disturb the cosmetics. ...Read more

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Can a lazy eye returm after having strabismus repair surgery as an adult?

Can a lazy eye returm after having strabismus repair surgery as an adult?

Confusing question: Proper vision requires brain input of 2 similar sharp images by well aligned eyeballs. If one eye is sharper than the other, or alignment is bad, the brain may turn off one eye to stop a blurred image. If the vision is off in one eye for an extended period (yrs), amblyopia (lazy eye) can be permanent. Alignment surgery may not hold without vision to keep it on tract. Revision may be necessary/cosmetic ...Read more

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I'm blind in my left eye and have developed a lazy eye, will strabismus surgery help me?

I'm blind in my left eye and have developed a lazy eye, will strabismus surgery help me?

Likely: I am assuming your blind left eye has become "lazy." if the eyeball itself looks normal, but is just misdirected, you probably are a good candidate for strabismus surgery.

Pediatric ophthalmologists are specialists in adult strabismus. Have a visit with one of these!

they helped me! ...Read more

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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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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 cross eyes and strabismus?

What's the difference between cross eyes and strabismus?

Different causes: These terms are interchangeable. Strabismus usually refers to turning in or out of the eyes with onset in childhood. This can be due to a refractive error, deprivation of vision or other congenital problems. Adults can also have crossing of the eyes for different reasons, including nerve problems and decompensation of corrected childhood strabismus. ...Read more

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I want to know what is the difference between crossed eyes, and strabismus?

Crossing one type: Strabismus is a term that applies to any type of deviation of the normal eye position. Crossing eyes is only one type of strabismus (although there can be different causes for the crossing eyes). ...Read more

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What's the difference between strabismus & cranial nerve palsies that effect the eyes? Can cranial nerve palsies cause strabismus?

What's the difference between strabismus & cranial nerve palsies that effect the eyes? Can cranial nerve palsies cause strabismus?

Different patterns: Strabismus is the generic term for eye misalignment of any cause. If from childhood, the eyes are separated about the same in all positions. If from cranial palsy, the degree of separation goes from normal away from the action of the muscles, to a very wide difference in the direction of the action of that muscle. An ophthalmologist can usually readily make this distinction. ...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'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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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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How can I get rid of lazy eye (s)?

See an otphamologist: Need to be seen by an eye specialist who can perform a thorough history and exam to determine the cause. The treatment/cure will be based on what they find. ...Read more

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What is/are the cause (s) for the lazy and what is/are the treatment (s) for the lazy eye?

What is/are the cause (s) for the lazy and what is/are the treatment (s) for the 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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Will my son's lazy eye go away on its own?

Will my son's lazy eye go away on its own?

No: Lazy has come to mean a few things. If you mean the eyelid is droopy, this will not change on its own and should be evaluated by an oculoplastic surgeon/ophthalmologist to rule out horner's syndrome or other causes and then possibly corrected with surgery. If the eye itself is turning in or out, this should be evaluated by a pediatric eye doctor asap. Both problems can cause loss of vision. ...Read more

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Is there anything I can do about my lazy eye?

Maybe: Therapy for amblyopia depends greatly on your age. If you are a child less than 7-8 years of age there is good potential for permanent visual improvement. Older than this, therapeutic benefits decline but may still be attained up through the teenage years. Of course, getting the best glasses or contact lenses can help as well. ...Read more

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Can you develop a lazy eye in your adult years?

Can you develop a lazy eye in your adult years?

No: The vast majority of visual development is complete by age 7 or 8. Some improvement in vision may be attained at ages up to 18 or so but the gains are modest. It's best to begin treatment as early as possible. ...Read more

Dr. Dean Bonsall
313 Doctors shared insights

Amblyopia (Definition)

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


Dr. Sandra Lora Cremers
307 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