Scans reveal unique spiral optic nerves in chameleons, solving a 2,000-year-old mystery about how they move their eyes.

For more than two millennia, people have watched chameleons swivel their turreted eyes in different directions and wondered how such a small reptile pulls off a trick that seems to defy basic anatomy.

Anterior ischemic optic neuropathy (AION) occurs when there is not enough blood flow into the eye. This causes damage to the optic nerve, quickly leading to vision loss. There are two subtypes of AION ...

For the first time, researchers have captured the chameleon’s coiled optic nerve using contrast enhanced computed tomography. Chameleons’ wandering eyes have fascinated and puzzled scientists since ...

The anterior clinoid process (ACP) and optic canal are fundamental components of the cranial base, playing critical roles in neurosurgical and ophthalmic processes. The ACP, a bony projection from the ...

Optic atrophy is a condition in which the optic nerve begins to deteriorate. The optic nerve is the nerve at the back of your eye that connects your eye to your brain, allowing you to see. There are a ...

When your optic nerve doesn’t develop all the way, you may not be able to see through that area of your eye. This congenital condition is most often experienced by people who have mothers with ...

The human body is complex, and many things can go wrong while a baby is developing. Sometimes, genetic mutations occur, or things don’t form quite right. One condition that can result from ...

PHOENIX — Historically, optic nerve involvement has been excluded from multiple sclerosis (MS) diagnostic criteria, but its inclusion in the upcoming 2024 McDonald Diagnostic Criteria is expected to ...

An optic nerve glioma is a type of noncancerous, slow-growing tumor that develops in the glial cells of the optic nerve. They are most common in children. Doctors may refer to this type of tumor as ...