scotoma etymology

Etymology

The word "scotoma" originates from the Greek term "skótoma," meaning "darkness" or "a shady place."

Meaning

A scotoma refers to an area of reduced vision or blind spot in the visual field. It is typically caused by damage to the retina, optic nerve, or visual pathway.

Origin

The term "scotoma" was first coined by the German ophthalmologist Albrecht von Graefe in the 1850s. He used it to describe areas of partial or complete vision loss in patients with various eye conditions.

Types of Scotoma

There are different types of scotoma based on their location, size, and shape:

• Central scotoma: A blind spot in the center of the visual field
• Peripheral scotoma: A blind spot in the peripheral portion of the visual field
• Arcuate scotoma: A curved blind spot that affects the upper or lower portion of the visual field
• Scintillating scotoma: A temporary blind spot that is often accompanied by flashing lights or zig-zag lines

scotoma relate terms

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  Etymology The word scotoma originates from the Greek term skótoma meaning darkness

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