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Are there different types of vision loss?

There are many different types of vision loss. It can include complete loss of vision (blindness), loss of parts of the vision, distortion of vision and blurring or clouding of vision.

FAQ Frequently asked questions

What is vision loss?

Vision loss, sometimes called vision impairment, can be blurring or clouding of vision, distortion (straight lines appearing distorted or wavy) or spots/areas of vision that are blank or dark. In some cases, it's as simple as needing glasses or contact lenses, but in …

What causes vision loss?

Vision loss can occur for many reasons. It could be because of changes or damage to the eyes, or to the parts of the brain that are involved in vision. With some causes of vision loss, such as cataracts or macular degeneration, age is a factor.

How is vision loss detected?

An eye examination by an ophthalmologist or optometrist can help to detect vision loss. In some cases, changes in vision are sudden and easily noticeable and this can be a sign that there is a serious problem that requires immediate treatment. In other cases, …

What are the symptoms of vision loss?

Vision loss can be blurring or clouding of vision, distortion (straight lines appearing distorted or wavy) or spots/areas of vision that are blank or dark. Sudden changes in vision can be a sign that there is a serious problem that requires immediate …

What is refractive error?

Refractive error occurs when the cornea and lens do not clearly focus light onto the retina at the back of the eye. This means that vision can be blurry. The most common types of refractive errors are myopia (short-sightedness), hyperopia (long-sightedness) and …

What is legal blindness?

Blindness is often understood as complete loss of vision, but a person who is legally blind may have what is called low vision. Low vision is when a person has a significant, permanent loss of vision that cannot be corrected with glasses, contact lenses or other …

Can vision loss be prevented?

A regular eye examination can help to detect vision problems, even when there are no obvious symptoms. For several conditions that cause serious vision loss, early detection and treatment can help to preserve vision for as long as possible.

Will vision loss get better on its own?

Most forms of vision loss will not get better by themselves. Seeking treatment early, particularly if vision changes suddenly, can help to ensure that treatment is as effective as possible.

Who gets vision loss?

Anyone can experience vision loss. However, the older you get, the more likely you are to experience some form of it.

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Macular degeneration

Macular degeneration (MD) is a group of eye conditions in which the central retina (called the macula) is damaged. This can make it difficult to read and see fine detail. Because peripheral (side) vision is not affected, MD does not cause total blindness.…
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Cataracts

Cataracts are a clouding of the lens inside the eye. They often develop slowly, but can eventually lead to vision problems. Treatment of cataracts is often a straightforward procedure which involves replacing your lens with a new prosthetic lens. Generally, your vision recovers well.…
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Glaucoma

Glaucoma is a group of eye conditions in which damage to the optic nerve leads to loss of vision, particularly peripheral (side) vision. It is often, though not always, associated with increased pressure inside the eye.…
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Vision loss, sometimes called vision impairment, can occur for many reasons. In some cases, it can be as simple as needing glasses or contact lenses, but in other cases it can be serious and irreversible.…
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Conjunctivitis, also called ‘pink eye’, is an inflammation of the outer layer of the eye and the inside of the eyelids. It can be caused by viral or bacterial infections, irritants or allergies. It may require medicated eye drops or ointments.…
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Multiple sclerosis

Multiple sclerosis (MS) is a disease of the central nervous system that interferes with the transmission of nerve impulses in the brain, spinal cord and optic nerves. This can lead to impaired sensation, movement and cognition.…

About this article

Author: Kellie Heywood
First answered: 18 Sep 2014
Last reviewed: 14 May 2019
Rating: 4.8 out of 5
Votes: 1252 (Click smiley face below to rate)
Category: Macular degeneration

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