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Ultraviolet keratitis is when exposure to too much UV (ultraviolet) light hurts your cornea. This causes pain and affects your vision.

Refractive surgery can improve your eyesight, but it does have some risks.

LASIK is laser surgery that helps reshape your cornea. It can help you see better without glasses or corrective lenses.

PRK is surgery to help you see better without glasses or corrective lenses.

Phakic intraocular lenses (PIOLs) can help you see better without glasses or corrective lenses. Here's what you can expect.

CTA is an imaging test that makes detailed pictures of your blood vessels.

Embolization is a procedure used to treat a brain aneurysm. Learn about how it's done and what its possible risks are.

Hepatic angiography uses X-rays to check the blood vessels that supply blood to your liver. Here's what you need to know if you are having this procedure.

A mammogram can help find problems in your breasts, such as cysts or cancer. Breast implants can interfere with taking and reading mammograms. It's important to let your doctor know that you have breast implants before getting a mammogram. Here's what to expect before, during, and after the test.