Anticonvulsants and muscle relaxants are prescribed to block the pain signals from the nerve. In severe cases, surgery may be ...

This review considers the role that optic nerve head astrocytes might play ... It discusses their role in the remodelling of the structure of the lamina cribrosa and the effect that this might ...

The optic chiasm is an X-shaped structure formed by the crossing of the optic nerves in the brain. The optic nerve connects the brain to the eye. To biologists, the optic chiasm is thought to be a ...

(D) Electron microscopy of a myelinated axon in a mouse optic nerve at higher magnification. The axon is surrounded by multilamellar structure of myelin. (E) Myelinated nerve fiber reproduced in ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...