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Glossary of Terms


Myopia (nearsightedness)

A condition in which the visual images come into a focus in front of the retina of the eye resulting in poor distance vision.

Hyperopia (farsightedness)

A condition in which the visual images come into focus behind the retina of the eye and vision is better for distance than for near objects.


A condition, generally in those over 40, causing diminished power of focusing on near objects and small print, arising from a loss of elasticity of the lens in the eye.


A condition caused by an irregularly shaped cornea. It can cause distorted vision but is easily correctable with glasses, contact lenses or refractive surgery.


A condition generally in small children known as lazy eye. If not diagnosed and treated early, it could become permanent.


A disease in which the optic nerve becomes damaged resulting in a diminished field of vision.


A condition generally affecting the elderly, when the normally clear lens in the eye becomes cloudy and vision becomes impaired. Can only be corrected with surgery.

Macular Degeneration

A disease that affects the macula, the part of the eye responsible for central vision.

Diabetic Retinopathy

A condition caused by diabetes, which can lead to retinal degradation.


Catonsville Eye Group
2 West Rolling Crossroads, Suite 3
Catonsville, MD 21228
Phone: 410-747-1221
Fax: 410-747-1236

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