The sclera is the white external tunic that envelops the eye from the limbus or corneoscleral junction (anterior), and to the cribriform plate of the optic nerve head (posterior) (Figure 1).

A specific group of nerve cells in the brain stem appears to control how semaglutide affects appetite and weight -- without causing nausea. A specific group of nerve cells in the brain stem ...

Abnormally high pressure inside your eye is one of the most frequent causes of optic nerve damage, which can lead to blindness. Since glaucoma can damage your eyes very gradually, you may not ...

The optic nerve sends messages from the eyes to the brain. When light enters the eye, it hits the retina, which contains rods and cones. These are photoreceptors that translate signals from light ...

Conclusions Compression of the central retinal vein by the swollen optic nerve could have predisposed to CRVO. The presence of thrombophilic abnormalities may have contributed to the concomitant ...

In some cases, they can last longer. Inflammation in your optic nerve, coupled with MS vision symptoms, such as blurry sight or loss of color vision, can be a sign of MS. Your eye doctor can ...

At ARVO 2025, in Salt Lake City, Utah, Danielle Gauthier talked about her poster on autosomal dominant Alzheimer disease in relation to optic nerve head drusen. At ARVO 2025, in Salt Lake City, Utah, ...

Tumours may be:- Cribriform (Swiss cheese-like holes)- Tubular ... and surrounding tissue are removed to check for spread- Nerve involvement is carefully assessed- In some cases, nerve removal ...

The symptoms of a brain tumor can differ depending on the type, location, and stage of the tumor. They may include headaches, seizures, and mood changes. The American Cancer Society (ACS ...

In adult humans, the optic nerve displays limited regenerative capacity, typical of neurons of the CNS. In efforts to address this issue, a number of recent advances have been made in the ...

AIM A study was designed to investigate whether measurements of the optic nerve diameter (OND) and cross sectional area (ONCSA), as measured by B-scan ultrasonography, are altered in glaucoma. The ...