The backbone of the book consists of the 16 chapters on eye anatomy and physiology, but these are leavened by a variety of devices to inform us of the eye's evolution, development and intellectual ...

This prospective case-control study included 85 patients with lung involvement related to the COVID-19 virus and a group of ...

The retina is an extremely complex structure. It's made up of at least 10 distinguishable layers, and is packed with more sensory nerve cells than anywhere else in the body. The retina is home to ...

Difficult, but not impossible. Scientists have come up with scenarios through which the first eye-like structure, a light-sensitive pigmented spot on the skin, could have gone through changes and ...

Light passes through the eyeball to the retina. There are two main types of light receptors called rods and cones. Rods are more sensitive to light than cones so they are useful for seeing in dim ...