A retinal tear occurs when a break develops in the layer of light-detecting cells in the back of the eye. This layer is called your retina. Retinal detachment occurs when the retina pulls away from ...

What Is Retinal Vein Occlusion? Arteries supply the retina with blood, and veins carry blood away. Sometimes, a vein becomes partially or completely blocked. This is called retinal vein occlusion, or ...

A retinal tear is a small split or hole in the lining of the back of the eye. The condition is not painful and may not damage a person’s eyesight. However, a torn retina can progress to a retinal ...

Retinal migraine involves temporary vision changes, like diminished sight or blindness, in one eye, and may be linked to artery narrowing, nerve inflammation, or brain changes, but the exact cause is ...

The human body is a regeneration machine—wounds heal, fractures mend, and even organs like the liver can regrow from just one-third its original size. However, in the broad context of the animal ...

Forbes contributors publish independent expert analyses and insights. This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to ...