Vision Problems

The structures of the eye include the cornea, iris, pupil, macula, retina, and the optic nerve.

An overview of different eye care providers and what they do, from ophthalmlogists and optometrists to opticians and ocularists.

During an eye exam, an eye healthcare provider looks at your health history and gives you a series of eye tests. The tests are done to check the health of your eyes.

Eyeglasses are the most common form of eyewear used to correct or improve many types of vision problems. Contact lenses are worn directly on the cornea of the eye.

Low-vision devices are categorized as either optical or nonoptical. Optical devices are magnifying lenses or closed circuit TV. Nonoptical devices are large-print books and talking computers.

One common eye disorder is conjunctivitis, sometimes called pink eye. It's an inflammation of the blood vessels in the eye membrane. Another common disorder is a chalazion—a small bump that develops on the upper or lower eyelid.

Age-related macular degeneration (AMD) is a disease that affects a person’s central vision. It's the most common cause of severe eyesight loss among people age 50 and older.

When cataracts affect your ability to function, it's time to think about surgery. Here's what you need to know.

A cataract is a clouding of the lens of the eye. This is an area that is normally clear. Cataracts can cause cloudy or blurry vision.

While you can’t completely prevent diabetic retinopathy, you can reduce your risk of getting it. And controlling your blood sugar can stop it from getting worse. Read on to learn more about this condition.

Glaucoma is a health problem where the fluid inside the eye slowly builds up and doesn’t drain correctly. This causes an increase in eye pressure that can ultimately damage the optic nerve. Here's what you need to know.

Read on to learn about common refractive errors, including astigmatism, nearsightedness, and farsightedness.

A detailed look at cataract surgery, including possible risks, what to expect during the procedure, and recovery afterward.