Retinal, bound to proteins called opsins, is the chemical basis of visual phototransduction, the light-detection stage of visual perception (vision). Some microorganisms use retinal to convert light into …

Nov 24, 2025 · The retina is a layer of tissue in the back of your eye. It senses light and sends images to your brain. Learn about retinal disorders and treatments.

Mar 8, 2024 · Retinal diseases vary widely, but most of them cause visual symptoms. Retinal diseases can affect any part of your retina, a thin layer of tissue on the inside back wall of the eye.

A retinal disease can affect any part of your retina, including your macula, the center part of your retina that lets you see details. You can inherit some of these conditions. Many retinal diseases cause …

Oct 1, 2024 · Retinal or retinol—what is the difference and which is right for you? We spoke to dermatologists to find out, and to learn the benefits of each.

The Retina Health Fact Sheet Series, from the Foundation of the American Society of Retina Specialists, offers condition-specific webpages and printable facts sheets on nearly 40 retinal conditions.

Dec 5, 2025 · There are two types of cells in the retina: cones for color and rods for low light and peripheral vision. Seek emergency care if you experience blindness, double vision, or sudden …