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Doctor insights on: Can You Astigmatism

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How can you be nearsighted, farsighted, and astigmatism?

How can you be nearsighted, farsighted, and astigmatism?

Not commonly: These are the three basic errors of refraction along with presbyopia which is the farsightedness of older folk. Astigmatism, an ovalness of the eye can coexist with all of these. Near and farsighted are opposites and do not coexist although presbyopia is a type of farsighted which then can exist with underlying myopia. Ask your ophthalmologist to tell you which of these you have. ...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


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How can you be farsighted and nearsighted together?

How can you be farsighted and nearsighted together?

Focus problems: Focusing or far away objects requires a different combination of eye lens, cornea and retinal distance from the lens than focusing on nearby objects. The focusing system can go awry in both the far away combinations and/or the nearby combinations usually because of problems with the shape of the lens for each type of focus. ...Read more

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How can you improve your vision if you are nearsighted?

How can you improve your vision if you are nearsighted?

Correction: If you are nearsighted, your vision can be corrected with glasses, contact lenses and possibly laser vision correction. Speak to your eye surgeon about your options and have a great day! ...Read more

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If you have astigmatism, can you also have hyperopia?

If you have astigmatism, can you also have hyperopia?

Yes: You can have hyperopia with or without astigmatism or myopia with or without astigmatism. You can also have astigmatism alone. Also, on top of all of these combinations, you can also have presbyopia. ...Read more

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Can you get lasik with pinguecula?

Can you get lasik with pinguecula?

Yes: Pinquecula is very common. If considering tiny pinqueculi then almost everyone over age 25 has some. It usually does not interfere with lasik result. If the pinquecula is large and inflammed it is better treated first so the lasik suction ring can seat well. Consult your ophthalmologist. ...Read more

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Can you have astigmatism without having myopia?

Can you have astigmatism without having myopia?

Yes: Some eyes are simply oval in shape, the basic problem in astigmatism. Myopia is an additional feature of eyeglass needs and is independent of astigmatism. Some eyes have only one or the other. ...Read more

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How can you confused nearsightedness with double vision?

How can you confused nearsightedness with double vision?

Not the same!: Nearsightness ( myopia) means you can not see things at distances. Double vision (diplopia) ones sees two images, not just blurry. Diplopia can be monocular or binocular. If double vision goes away with closing one eye you need an eye exam urgently. ...Read more

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Can you tell me how myopia or nearsighted work, can it be cured?

Can you tell me how myopia or nearsighted work, can it be cured?

Myopia: Myopia or nearsightedness is one type of refractive error that can cause decreased vision. Typically patients with myopia benefit from glasses or contacts to improve distance vision. Myopia can progress as a patient ages so routine eye examinations are important. ...Read more

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If you have nystagmus can you wear contacts?

If you have nystagmus can you wear contacts?

Yes.: Nystagmus refers to difficulty with maintaing directed gaze of vision, and can occur either when looking in certain positions (such as far to the side) or when looking straight ahead. It does not necessarily relate to refractive errors, so wearing corrective lenses (glasses or contacts) is acceptable. ...Read more

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Can you tell me if you switch from glasses(prism lens) to contacts(different prescription) will that cause unusual discomfort?

Can you tell me if you switch from glasses(prism lens) to contacts(different prescription) will that cause unusual discomfort?

It can: Contact lenses do not correct for ocular misalignment like prism glasses can. If you need prism to avoid discomfort, then contact lenses are not a good choice for you. ...Read more

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Can you fix low vision with corrective lenses?

Somewhat: High power reading glasses and magnifiers are used in low vision and can greatly improve vision in some people. ...Read more

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Can you get LASIK if you have dry eyes?

Can you get LASIK if you have dry eyes?

Bad idea: LASIK will make the dry eye worse temporarily while your eye is trying to heal from the surgery. That can cause problems. Best to patiently treat the dry eye with your surgeon as much as possible before the surgery. Your eye surgeon will be able to advise you when your eye is in suitable condition for LASIK. ...Read more

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Can you explain if it's possible to get thinner lenses with lazy eye?

Possibly: See your eye doctor to discuss this option. The thickness of your glasses typically depends on the strength of the prescription and type of glass material used and does not have to do with a lazy eye. Sometimes, if you have prism in your glasses it can make them thicker. There are thinner, lighter high index lenses that may help you. ...Read more

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Can you tell me if contact lenses damage your eyes?

No damage: Contact lenses, if used properly and under the care of an experienced eye doctor, will rarely cause problems that can lead to damage. Improper use can and does cause damage. ...Read more

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Can you regain your eye sight if you are blind?

Can you regain your eye sight if you are blind?

Depends: The eye (like a camera) has many parts, blindness can result from disease to any of the parts. Some parts can be replaced such as the cornea (with a cornea transplant) or a cataract with a lens implant, so blindness due to corneal or lens conditions can be reversible. When there is severe damage to the retina or optic nerve causing blindness, reversing becomes more difficult or impossible. ...Read more

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Can i get lasik with astigmatism?

Can i get lasik with astigmatism?

Yes: LASIK does treat astigmatism. Your doctor will evaluate you with an examination and some special pictures. They will let you know if you qualify for LASIK. ...Read more

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Can you have astigmatism without having myopia?

Yes: Some eyes are simply oval in shape, the basic problem in astigmatism. Myopia is an additional feature of eyeglass needs and is independent of astigmatism. Some eyes have only one or the other. ...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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How can you stop my astigmatism from getting worse?

How can you stop my astigmatism from getting worse?

See an Eye MD: If your astigmatism is changing, then you may have a corneal disorder. See an ophthalmologist for evaluation. ...Read more

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Can you get an astigmatism from working in front of the computer for too long?

Can you get an astigmatism from working in front of the computer for too long?

NO: Astimatism is a type of refractive error like myopia (nearsightedness) or hyperopia (farsightedness). It is basically determined by the length of the eye and the shape of the front surface (cornea) of the eye. Sustained focusing for near may induce a progression (higher prescription) of a myopic refractive error but not asigmatism. ...Read more

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Can you have both astigmatism and hyperopia/myopia at the same time?

Can you have both astigmatism and hyperopia/myopia at the same time?

Yes: Astigmatism, myopia and hyperopia are all different types of refractive error. It is entirely possible to have astigmatism by itself, or with either myopia or hyperopia. ...Read more

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Can you tell me about astigmatism?

Can you tell me about astigmatism?

Astigmatism: Astigmatism is one type of refractive error. Myopia (or nearsightedness), hyperopa (or farsightedness), and astigmatism all can cause refractive error. Refractive error is what causes a patient to require glasses or contact lenses to see better. Astigmatism is typically when the cornea is shaped more like a football than a basketball. Glasses, contact, and LASIK can fix this problem. ...Read more

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Can you tell me in astigmatism, he wrote od 43.75 43.00 os 43.50 42.75 does anyone understand these numbers?

Can you tell me in astigmatism, he wrote od 43.75 43.00 os 43.50 42.75 does anyone understand these numbers?

Curvature of cornea: These numbers are diopter power readings of the surface of the cornea. These measurements can be taken with a Keratometer or Corneal Topographer. Tha amount of corneal astigmatism is the difference between the two numbers for each eye. This does not indicate how much astigmatism correction would be in your glasses as there are other factors that can contribute to astigmatism. ...Read more

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Can you tell me if astigmatism gets so bad that even glasses won't correct them it?

Astigmatism: This is unusual but certainly is possible especially if the astigmatism is irregular in nature because of a problem with the cornea (window to the eye). If you are unable to be corrected with glasses, a visit with an ophthalmologist is valuable to determine if an medical condition exists that is causing your severe astigmatism. ...Read more

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If you have astigmatism, can you also have hyperopia?

Yes: You can have hyperopia with or without astigmatism or myopia with or without astigmatism. You can also have astigmatism alone. Also, on top of all of these combinations, you can also have presbyopia. ...Read more

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What is astigmatism?

What is astigmatism?

Astigmatism: Astigmatism is one type of refractive error. Myopia (or nearsightedness), hyperopa (or farsightedness), and astigmatism all can cause refractive error. Refractive error is what causes a patient to require glasses or contact lenses to see better. Astigmatism is typically when the cornea is shaped more like a football than a basketball. Glasses, contact, and LASIK can fix this problem. ...Read more

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What is astigmatism?

What is astigmatism?

Corneal curvature: Astigmatism just means that your cornea is not perfectly spherically shaped and instead has different curvatures in different directions (kind of like a football in the extreme example). Everyone has some degree of astigmatism although not everyone has enough to notice it. I doubt you "need" any surgery. ...Read more

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How bad is astigmatism?

How bad is astigmatism?

Usually not: Astigmatism is a physical curvature aspect of the cornea and lens of the eye which in effect makes the eye oval. The term astigmatism is from physics and is not usually a bad thing. The correction is a reverse oval in the eyeglasses or contacts. Most astigmatism is small and easily corrected. Sometimes it is large or irregular and that make perfect vision difficult. See your ophthalmologist. ...Read more

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What causes astigmatism?

Eye growth: Mosty astigmatism is due to the way the eye develops as it grows and is due to differential growth in one axis causing an ovalness of the need for glasses. Some astigmatism can also be from eye trauma. ...Read more

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Can astigmatism be cured?

Can astigmatism be cured?

Yes: Astigmatism is an irregularity of the cornea that is generally treated with glasses or contact lenses. It can be surgically 'cured' with laser vision corrrection ( lasik or prk ) or incisional corneal procedures. ...Read more

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How common is astigmatism?

How common is astigmatism?

Very common: Small degrees are very common but are easily corrected with glasses. Big amounts can be difficult to correct but is less frequent. ...Read more

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How is astigmatism treated?

How is astigmatism treated?

Contact lenses: The irregularities in the curvature of the cornea can be addressed though customized contact lenses. ...Read more

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What does astigmatism mean?

Not spherical: Astigmatism means that the front window of the eye, the cornea, is not spherical. It is shaped like the side of an egg. Astigmatism is normal. ...Read more

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What happens in astigmatism.?

Distorted vision: Regular astigmatism is a refractive error produced when your eye generates an image as if the light rays passed through a glass football. Glasses, contact lenses, or laser vision correction can correct the error so you can see better. ...Read more

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How is astigmatism diagnosed?

Diagnosing Astigmati: Astigmatism is caused by a football shaped cornea so technologies can that can measure corneal shape (topographers) can diagnose astigmatism.Glasses refraction, corneal topography, scheimpflug photography, keratometry, and many sophisticated technologies can easily diagnose astigmatism today. Most cases can be corrected by glasses/cls, laser techniquesand lens implant technologies (toric lenses). ...Read more

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