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Doctor insights on: What Is The Difference Between Double Vision And Astigmatism

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What is the difference between double vision and astigmatism?

What is the difference between double vision and astigmatism?

Appearance: Double is usually two images separate either horizontally, vertically, or obliquely. Not necessarily blurred unless also uncorrected refractive error. Astigmatism is a refractive error causing slight distortion of an image in one direction. Depends on amount. ...Read more

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Dr. Richard Bensinger
1,698 doctors shared insights

Vision (Definition)

Vision is a feature of a person's brain that allows him to see. He must have normal eyes, optic nerves (that stretch from the eyes to the back of his brain), and visual cortex (the vision center in the brain), in order to see properly. An ophthalmologist is a ...Read more


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Astigmatism causes double vision?

Astigmatism causes double vision?

It can: Astigmatism can distort vision enough to cause an image to double. There are many causes of double vision, though and some can be serious. If you are concerned, get examined. ...Read more

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How does astigmatism cause double vision?

Out of focus: Astigmatism makes a misshapen image (changed in one axis) and thus can have blurred edges and appear doubled or ghosted. ...Read more

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Myopic w/ astigmatism & ms, i've had increasing double vision despite being treated w/ tysabri (natalizumab). For correction, do I need ophthalmologist or neuro-op?

Myopic w/ astigmatism & ms, i've had increasing double vision despite being treated w/ tysabri (natalizumab). For correction, do I need ophthalmologist or neuro-op?

Depends : If your double vision goes away when you close either eye, it's a muscle problem and a neuro-oph would be best (though an ophthalmologist could always see you too). If the double vision seems to be only in one eye, then it is a refractive problem and you should see an ophthalmologist. Could be anything from needing glasses to having a cataract. ...Read more

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Monocular diplopia associated with astigmatism--any treatment?

Monocular diplopia associated with astigmatism--any treatment?

Depends on cause: Most cases of monocular diplopia are caused by dysfunctional tear syndrome. The first step is to assess and treat tear film abnomality. Next common causes are lens abnormalities. Corneal irregularities also cause this most are obvious but some can only be discovered with computerized analysis of the cornea. Retinal edema can cause this as can optic nerve disease but with decreased vision. ...Read more

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What are causes of vertical monocular diplopia? My mother & I have had this our whole lives. Most noticible at close range. I have slight astigmatism.

Likely astigmatism: Monocular diplopia (double vision when only one eye is open) really only has a few causes. Uncorrected astigmatism is probably the most common of these. Other causes can be things like cataract or dry eye disease. It's pretty easy for an ophthalmologist to figure out what is going on with you so it might be worth a visit. ...Read more

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What is the difference between double vision and ghosting?

Muscle imbalance: Double vision is due to the eyes pointing in different directions. Cover either eye and the image becomes single. Ghosting is typically due to astigmatism. It goes away by looking through a pin hole in a piece of cardboard, or proper glasses or contacts. If one eye is covered and there is still double the astigmatism is strong, if there is just ghosting the astigmatism is mild. ...Read more

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What's the difference between double vision and ghost vision?

Different causes: Most double vision is when the eyes are misaligned and two equal images are perceived. Ghost vision is when one image is different and usually fainter. It usually comes from blur defects in one eye only. ...Read more

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Is there a difference between double vision and visual ghosting and if so what is it? Like a difference in what they are perceiving?

Is there a difference between double vision and visual ghosting and if so what is it? Like a difference in what they are perceiving?

Vision Problem: Double vision when looking with both eyes open can be caused by several conditions, some are serious. See a doctor today for further evaluation. If double vision occurs in one eye (the other is closed), it is usually a lens or refractive problem. Either way, see a doctor today to get checked out. ...Read more

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What's the difference between cross-eyed and double vision?

What's the difference between cross-eyed and double vision?

Not much: Crossed eyes are the appearance that the world sees when looking at you. Double vision is what you see when your eyes cross (each eye ends up looking at a different object, causing you to see two things ). ...Read more

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I have monocular and binocular double vision meaning covering any eye doesn't make a difference, what does this mean the cause could be?

Double vision: True binocular diplopia is due to misalignment of the eyes. This can be due to a CNS or PNS lesion. "Double vision" in just one eye is ALWAYS an eye problem, NEVER a brain or nerve problem. So one is nervous system, the other is eye. These are very important diagnostic distinctions. "Eye" is what ophthalmologists do; "nervous system" is what neuro-ophthalmologists do. ...Read more

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What is the difference between regular, irregular astigmatism?

What is the difference between regular, irregular astigmatism?

Correctability: Regular astigmatism is a refractive error produced when your eye generates an image as if the light rays passed through a regular shaped glass football. Irregular astigmatism is when the football is not shaped regularly, e.g. One end is fatter than the other. It is very difficult to fully correct vision by any technique in cases of irregular astigmatism; contacts are useful. ...Read more

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What is the difference between astigmatism and short-sightedness?

What is the difference between astigmatism and short-sightedness?

Oval eye shape: Refractive errors require either plus (farsighted) or minus (nearsighted) glasses + an extra amount if the eye is oval in shape (astigmatism). These are called refractive errors and can be corrected with glasses or contacts. Short sightedness is another term for myopia which uncorrected usually allows for good vision at near and blur at distance. ...Read more

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What is The difference between keratoconus And severe astigmatism?

What is The difference between keratoconus And severe astigmatism?

Keratoconus is: progressive disease of the cornea in which the normally dome shaped cornea thins and begins to bulge into a cone-like shape. This condition needs to be monitored and possibly treated to prevent long term visual disability. Astigmatism is a refractive error, therefore it is not an eye disease it is an error in the focusing ability. Astigmatism is treated simply with glasses, contacts or surgery. ...Read more

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What is the difference between acuvue oasys for astigmatism and acuvue advance for astigmatism?

What is the difference between acuvue oasys for astigmatism and acuvue advance for astigmatism?

Material: Advance: silicone hydrogel material (galyfilcon a) with hydraclear wetting agent oasys: silicone hydrogel material (senofilcon a) with hydraclear plus wetting agent (less friction), slightly higher uv-a blockage oasys are more comfortable for some, but also cost more. ...Read more

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What's the difference between myopia and astigmatism. Can you have astigmatism without having myopia?

What's the difference between myopia and astigmatism. Can you have astigmatism without having myopia?

Two separates: Myopia is very near vision and need for glasses beyond a foot or so. You may can read when very close to you but cannot see beyond arms length. Astigmatism is an irregular contour of the cornea and causes waviness and blurring in the pattern of sight. You can have one without the other. Your eye care professional can examine you and correct most of these problems. Seeing it clearer? ...Read more

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Sum times in night cause gjost image. Or when I spend much time on mobile. What can b the cause. A year before I had double vision that cured in30 day?

See opthalmol vs neu: you need to see a neurologist or ophthalmologist or both. These visual images could be related to something with your brain physiology or your eyes system. Ask your physician about giving you some help to see one of the specialist ...Read more

Dr. Tim Conrad
391 doctors shared insights

Astigmatism (Definition)

An eye condition that causes blurry vision because the eye is unable to focus light to a point and thus unable to produce a sharp ...Read more


Dr. Howard Pomeranz
364 doctors shared insights

Double Vision (Definition)

When two separate images which are displaced in space are perceived at the same time due to a ...Read more