Retinal artery occlusion, or eye stroke, can cause sudden and permanent vision loss. Learn about its causes, symptoms, and treatment. ... They may ask you to read an eye chart.

Your eye doctor may dilate your eyes, then place your head on a chin rest while a machine beams a light into your eye to capture images of your retina. OCT isn’t painful. A fluorescein angiogram.

Dilated eye exam: This is the most important diabetes eye test. It helps a doctor examine the back of your eyes for retinal inflammation, blood vessel leakage, cataracts, nerve damage, or other ...

Medically reviewed by Christine L. Larsen, MD Night blindness (nyctalopia) refers to considerable difficulty seeing in poor ...

The drug, lamivudine, appears to improve vision that’s being threatened by diabetic macular edema (DME), an eye condition in ...

A new study suggests that never-seen-before stem cells in the human retina can restore vision in mice with a common eye disorder. But more work is needed to translate the treatment to people.

Stock image of an optometrist's eye chart. After the trial gene therapy, four children with LCA-AIPL1 who were born blind became able to make out the top letter on such a chart.

A new retinal stimulation technique called Oz enabled volunteers to see colours that lie beyond the natural range of human vision. Developed by researchers at UC Berkeley, Oz works by stimulating ...

Visiting a retina specialist every year for a dilated retinal eye exam is the best way to help spot vision changes and prevent further loss. You should also talk to your doctor about the different ...

Researchers have developed a new method to perform optoretinography, an imaging technique that measures light-induced functional activity in the eye’s retina. The novel technique could help ...

Presbyopia is an eye condition that causes a reduced ability to see things up close. It occurs when the eye’s lens stops focusing light correctly on the retina and usually develops later in life.

"There are no pain fibers in the retina, so you're getting this tremendous damage to your eye if you're looking at the sun unprotected, and you don't even know it's happening because it doesn't ...