WebJan 22, 2024 · A relative afferent pupillary defect (RAPD) also known as a Marcus Gunn pupil, is a critically important ophthalmological examination finding that defines a defect ( pathology) in the pupil pathway on the afferent side. An RAPD is relative to the fellow eye and occurs because of the bilateral and equal innervation of the pupils in normal individuals. WebPupil definition, a person, usually young, who is learning under the close supervision of a teacher at school, a private tutor, or the like; student. See more.
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WebLess commonly, people have unequal pupils because of. Eye disorders. Nervous system disorders. Either the larger or the smaller pupil may be the abnormal one depending on the cause. Often, the larger pupil is unable to constrict normally. However, sometimes, as in Horner syndrome , the smaller pupil is unable to widen. WebApr 11, 2024 · The pupil test checks for how your eyes respond to light and other factors that can help them diagnose underlying conditions like glaucoma or a brain tumor. PERRLA is an acronym used to document a ... flights to venice british airways
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WebJul 26, 2024 · The pupil function, however, is not an image of the aperture stop of the system; it's a 2D Fourier transform of a field. There is never-the-less a relationship between the pupil function and the plane of the exit pupil. The pupil function represents the relative amplitude and phase of the field on the surface of a so-called reference sphere ... WebDefine pupil. pupil synonyms, pupil pronunciation, pupil translation, English dictionary definition of pupil. n. 1. A student under the direct supervision of a teacher or professor. … Webpupil, in optical systems, the virtual image of an aperture associated with mirrors, prisms, and lenses and their combinations. The Figure shows the case of an optical system composed of two lenses with a stop between them. The virtual image of the aperture for lens I (as seen from the object point) is called the entrance pupil. The amount of light leaving … chesapeake bay retriever hunting