Category: A

An arc-shaped scotoma near the blind spot of the eye. It is caused by a nerve bundle defect on the temporal side of the optic disk.  

A scotomatous zone that encircles the point of fixation like a ring, not always completely closed but leaving the fixation point intact.  

An area in the visual field in which there is absolute blindness.  

An incision made at the angle of the anterior chamber of the eye in glaucoma. Cutting into the front chamber of the eye.  

Sclerosis in which a hardened substance forms a band about the spinal cord.  

A systemic form of papular mucinosis (also known as lichen myxedematosus), in which a scleroderma-like rash is accompanied by lesions of visceral organs and often paraproteinemia.  

Scleritis of the area adjacent to the limbus of the cornea.  

Inflammation limited to the area surrounding the limbus of the cornea. A complete ring is formed.  

Scale used for indicating low temperatures based on absolute zero.  

In analysis of fats, the number of milligrams of potassium hydroxide needed to saponify 1 g of oil or fat.