In medicine, the pupillary reflex or pupillary light reflex, is the reduction of pupil size in response to light. It is a normal response and dependent on the function of the optic nerves and ...

Optic neuritis is frequently but not always associated with multiple sclerosis (MS), and patients who present with optic neuritis will want to know about their risk of developing MS Early recognition ...

Please provide your email address to receive an email when new articles are posted on . ATLANTA – Nonarteritic ischemic optic neuropathy and optic neuritis are two of the most common types of optic ...

Thinking about mistakes, especially medical mistakes, is uncomfortable. It is certainly more enjoyable to read about a promising new therapy than to scrutinize the reasons that medical mistakes are ...

The human retina contains some 100 million photoreceptor cells. When these are stimulated with light, they communicate that information to the brain and we perceive light. Researchers have now ...

Disorders of the optic nerve represent a relatively common cause of visual loss. The optic nerve is a white-matter tract that relays information from the retina to the brain areas of visual processing ...

Optic neuritis is an inflammation of the optic nerve, a bundle of nerve fibers that relays visual information from the eye to the brain. The condition may cause vision disturbances that can resolve on ...

"Our decision to treat typically needs to be made on the balance of likelihood, before the diagnosis of an associated disease process can be fully established, with definitive tests for multiple ...

Your ability to see the world around you hinges on how well different structures in your eye perform their designated jobs. The optic nerve — actually a bundle of more than one million nerve fibers — ...