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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
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 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 an amblyopia and a strabismus?

What is the difference between an amblyopia and a strabismus?

Vision vs position : Amblyopia is the lowering of vision in one eye due to structural or position defects in infancy and childhood. Strabismus is the general term for eyes that are misaligned. Strabismus may cause amblyopia.. A pediatric ophthalmologist will deal with these issues in childhood but amblyopia in adults cannot usually be fixed. ...Read more

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What is the difference between a double and a single eye lid?

What is the difference between a double and a single eye lid?

Single or double lid: The term double eyelid refers to the caucasian type of eyelid where you see a crease along the mid portion of the upper lid. The single lid is the more typical oriental lid where this crease is absent. ...Read more

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What is the difference between a double eye lid and a single eye lid?

What is the difference between a double eye lid and a single eye lid?

Vet question: Some animals have a inner eyelid called the nictitating membrane that lies in between the eyelid and the eye. Humans do not have this. ...Read more

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What is the difference between a behavioral optometrist and an opthamologist?

What is the difference between a behavioral optometrist and an opthamologist?

Education: The ophthamologist is a physician who performs eye surgery and treats all eye diseases and can fit patients for glasses or contact lenses. An optomitrist has been to optometry school not medical school and can fit patients for glasses or contact lenses. They do not have an education to include how to diagnose and treat eye disease or do surgery. ...Read more

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Is there a difference between a regular eye exam and a contact lens eye exam?

Is there a difference between a regular eye exam and a contact lens eye exam?

Eye exam: By contact lens exam, i would assume you mean a refractive check up. It will help determine whether you need contacts. However, a complete proper eye exam needs to be conducted by an ophthalmologist (an md) who can dilate your eyes and look at the actual lens and the back of the eye (retina). This should be an annual exam just like your annual physical. ...Read more

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What is the difference between a corneal abrasion and pink eye?

What is the difference between a corneal abrasion and pink eye?

Scratch vs infection: Pink eye is usually and infection or allergy, and an abrasion is a scracth to the surface. ...Read more

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What is the difference between a comprehensive and a routine eye exam?

What is the difference between a comprehensive and a routine eye exam?

Overlap: There are many elements the same in these two categories. A routine exam might not include a dilated retinal examination and may not include scanning, visual field or other sophisticated testing. A routine exam is performed when the issues are obvious or a comprehensive exam has been done recently. You should allow more time with the ophthalmologist for a comprehensive exam. ...Read more

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What is really the difference between an optometrist and eye doctor trainig?

What is really the difference between an optometrist and eye doctor trainig?

Medical school: An ophthalmologist first graduates medical then performs an internship for 1 year followed by a 3 year residency in ophthalmology training in the medical and surgical treatment of eye disease. Optometrists attend a 4 year program learning how to perform an eye exam and treat ocular conditions of the eye including refractive and medical disorders. Optometrists don't perform surgery. ...Read more

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What is the difference between an eye specialist and optometrist?

What is the difference between an eye specialist and optometrist?

Medical school: Optometrists attend optometry school and receive an od (not an md). Ophthalmologists attend medical school and receive an md. Ophthalmologists can do complex eye surgeries and specialize in the different parts of the eye. Optomotrists can dilate eyes, measure eye pressure (glaucoma) eye chart/stigmatism check to refract lens. ...Read more

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What is the difference between a cataract and an opacity?

What is the difference between a cataract and an opacity?

Essential same: Cataract cause: Cataract occur from change in lens proteins which cause whitening/clouding/opacity of clear lens composition: can be due to an infection or inflammation from birth (ie, rubella), old age/genetics, steroid use, trauma, poor diet; smoking & Diabetes increases risk. More info: eyedoc2020@blogspot.com ...Read more

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What is the difference between an optometrist and ophthalmologist?

What is the difference between an optometrist and ophthalmologist?

Medical doctor ophth: An ophthalmologist is a medical docotor and surgeon with the extensive medical and surgical training who unerstands the whole body issues and optics(glasses and contact lenses). An optometrist is train to do a general basic eye exam and optics. Most of the time optometrists refer more advance and complex cases to the ophthalmologist for the care. ...Read more

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What is the difference between an opthalmologist and optometrist?

What is the difference between an opthalmologist and optometrist?

Education: The ophthalmologist has been to medical school and then had an internship and residency. This physician can do eye surgery diagnose and treat eye diseases, help prevent blindness, do corneal transplants, fit patients for contacts or glasses. An optometrist went to optometry school and then is able to measure eyesight for glasses or contacts. ...Read more

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What is the difference between myopia and eye strain?

What is the difference between myopia and eye strain?

Myopia nearsighted: Myopia refers to being nearsighted which could be a cause of eye strain.But there are many other potential causes. ...Read more

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What is the difference between a vision problem and hallucinations?

What is the difference between a vision problem and hallucinations?

Anatomy & perception: Vision problems are to do with issues related to either anatomy or physiology of the eye, but hallucinations are false perception to a stimuli that may or may not be there. ...Read more

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What is the difference between optometrist and ophthalmologist?

What is the difference between optometrist and ophthalmologist?

Medical School: Ophthalmologists (eyemds) are doctors of medicine or osteopathy who complete 4 years of college, 4 years of medical school, an internship, and a 3 year residency in ophthalmology. They can deliver complete medical and surgical eyecare. Optometrists are trained to diagnose and treat vision conditions, identify cataracts, glaucoma, and retinal disease, and to use some medications. They are not mds. ...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

See 1 more doctor answer
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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

See 1 more doctor answer
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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?

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 .

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?

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
313 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
308 doctors shared insights

Lazy Eye (Definition)

A condition that occurs when one eye does not see as well as, or align properly ...Read more