quadrantic

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• quadrant hemianopia — quadrantic hemianopia quadrantanopia …   Medical dictionary

• Posterior cerebral artery — Artery: Posterior cerebral artery Outer surface of cerebral hemisphere, showing areas supplied by cerebral arteries. (Yellow is region supplied by posterior cerebral artery.) …   Wikipedia

• hemianopia — Loss of vision for one half of the visual field of one or both eyes. SYN: hemianopsia. absolute h. hemianopsia in which the affected field is totally insensitive to all visual stimuli. SYN: complete h.. altitudinal h. a defect in the visual …   Medical dictionary

• quadrantanopia — Loss of vision in a quarter section of the visual field of one or both eyes; if bilateral, it may be homonymous or heteronymous, binasal or bitemporal, or crossed, e.g., involving the upper quadrant in one eye and the lower quadrant in the other …   Medical dictionary

• scotoma — 1. An isolated area of varying size and shape, within the visual field, in which vision is absent or depressed. 2. A blind spot in psychological awareness. [G. skotoma, vertigo, fr. skotos, darkness] absolute s. a s. in which there is no… …   Medical dictionary

• hemianopsia cuadrántica — Eng. Quadrantic hemianopsia Ver cuadrantanopsia …   Diccionario de oftalmología