Eye Conditions

Some changes in vision are normal as we grow older. This section of our website can help you understand these vision changes, alert you to abnormal changes in vision, and give you information about the primary causes of vision loss for adults, including cataracts, glaucoma, macular degeneration, and diabetic retinopathy.

Woman in eye doctors office with a cover on one eye and an eye chart in the background

What is Legal Blindness?

“Legal blindness” is a definition used by the United States government to determine eligibility for vocational training, rehabilitation, schooling, disability benefits, low vision devices, and tax exemption programs. It’s not a functional low-vision definition and […]

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Ophthalmologist and patient talking

Glossary of Eye Conditions

Use our glossary as a quick reference to learn about different eye conditions and common terms used when describing them. The glossary is alphabetized to make it easier for you […]

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Anatomy of the human eye

Eye Health

Eye Health and Changes in Your Vision Some vision changes are normal as we grow older. This section of our website discusses these vision changes, explains the parts of the […]

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Photo of macular hole

Macular Hole

The macula is the central part of the retina, a thin membrane that lines the back wall of the eye. The macula is responsible for your distance, color, and reading […]

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Distant view of a city. Example of vision with glaucoma. Glaucoma is a group of eye diseases which result in damage to the optic nerve and vision loss.


Are you experiencing problems with your peripheral or side vision? Do you have to turn your head to see what’s to your immediate right or left? Do you have blurred […]

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Eye monitoring and treatment healthcare. Biometric scan of male eye close up.


Has your vision become gradually hazy or dim, without any noticeable eye pain? Do colors appear dull or less vibrant than they used to? It might be cataracts. A cataract […]

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Example of vision with Diabetic retinopathy, also known as diabetic eye disease, a medical condition in which damage occurs to the retina due to diabetes mellitus.

Introduction to Diabetes and Diabetic Retinopathy

Being diagnosed with diabetes triggers a whirlwind of emotions and concerns about its lifelong impact, not just for you but also for your family. It’s a complex condition requiring serious […]

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Simulated vision: tunnel vision depicting children's faces surrounded by a dark background

Retinitis Pigmentosa

What Is Retinitis Pigmentosa? Retinitis pigmentosa (RP) is the most common of a large group of progressive retinal degenerations or dystrophies [i.e., degenerative disorders]. There is considerable overlap among the […]

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Photo of forest with large gray dot in the center.

Age-Related Macular Degeneration (AMD)

Are you experiencing blurring or a blind spot in the center of your vision? Are you seeing blurry areas on a printed page? Do some straight lines appear wavy? Are […]

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