The retina is the innermost layer of the eye, and it features many light-sensitive photoreceptor cells. These cells detect light and convert it into electrical signals, which travel through the optic ...

Apple devices have been running HiDPI screens smoothly for years, while Windows and Android still struggle at times to make it work. Here's a look at what "Retina" means and why it's still important.

If your retina begins bleeding, it’s considered a retinal hemorrhage. If you have a hemorrhage, it simply means you’re bleeding from somewhere. Hemorrhages can be external — such as a bloody nose or a ...

A retinal tear occurs when the back lining of the eye gets a small hole or rip in it. This can lead to retinal detachment, a medical emergency in which the back layer of the eye becomes detached from ...

Retinal tear surgery and retinal detachment surgery are distinct medical procedures. The retina is a thin layer of light-sensitive tissue at the back of your eyes. Your eye lens focuses light onto ...