Visual evoked response
VER. A type of electrophysiologic retinal testing done to evaluate the retina and optic nerve by measuring the electrical potential resulting from a visual stimulus.
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- Visual field
Hydroxychloroquine is classified as an anti-malarial drug. It is similar to chloroquine (Aralen) and is useful in treating several forms of malaria as well as lupus erythematosus and rheumatoid arthritis. Its mechanism of action is unknown. Malarial parasites invade human red blood cells. Hydroxychloroquine may prevent malarial parasites from breaking down (metabolizing) hemoglobin in human […]
- Visual field
The entire area that can be seen when the eye is directed forward, including that which is seen with peripheral vision. The visual field can be tested to measure the extent and distribution of the field of vision. The test may be done by a number of methods including what are termed confrontation, tangent screen […]
- Visual field test
Plaquenil), can also affect the visual field.
- Visual nerve pathways
The optic nerves serving the eyes join behind the eyes just in front of the pituitary gland to form a cross-shaped structure called the optic chiasma. Within the optic chiasma some of the nerve fibers cross. The fibers from the nasal (inside) half of each retina cross over, but those from the temporal (outside) sides […]
- Visual pathway glioma
A slow-growing benign tumor of the eye.