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Homonymous hemianopsia. Hemianopsia, or hemianopia, is a visual field loss on the left or right side of the vertical midline. It can affect one eye but usually affects both eyes. Homonymous hemianopsia (or homonymous hemianopia) is hemianopic visual field loss on the same side of both eyes. Homonymous hemianopsia occurs because the right half ...
A relative afferent pupillary defect ( RAPD ), also known as a Marcus Gunn pupil, is a medical sign observed during the swinging-flashlight test [1] whereupon the patient's pupils dilate when a bright light is swung from the unaffected eye to the affected eye. The affected eye still senses the light and produces pupillary sphincter constriction ...
Eye color. The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3] : 9. In humans, the pigmentation of the iris varies ...
These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...
One is that Mass Eye and Ear is a specialized eye institute that sees a high number of people with rare eye diseases, so the population may have been a little skewed. Another is that the ...
Experts say they're usually not needed. Doctors are prescribing antibiotics to most kids and teens who have pink eye, despite guidelines that discourage their use, researchers reported Thursday ...
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The causes of exotropia are not fully understood. Six muscles control eye movement, four that move the eye up and down and two that move it left and right. All these muscles must be coordinated and working properly for the brain to see a single image. When one or more of these muscles does not work properly, some form of strabismus may occur.