Akademik

perimetry
1. The determination of the limits of the visual field. 2. The mapping of the sensitivity contours of the visual field. [G. perimetros, circumference]
- computed p. determination of the visual field by means of a programmed routine of static stimuli.
- flicker p. a technique of p. using the criterion of critical fusion frequency. SYN: flicker fusion frequency technique.
- kinetic p. mapping of the visual field by using a moving rather than a static test object.
- mesopic p. exploration of the visual field in dim illumination.
- objective p. determination of the visual field by pupillary constriction, electroencephalography, or eye movements.
- quantitative p. a plotting of the visual field in isopters of equal retinal sensitivity.
- scotopic p. p. of a dark-adapted eye.
- static p. determination of the visual field by using test objects at fixed positions and gradually increasing luminance to the threshold of visibility.

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pe·rim·e·try pə-'rim-ə-trē n, pl -tries examination of the eye by means of a perimeter
peri·met·ric .per-ə-'me-trik adj

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pe·rim·e·try (pə-rimґə-tre) [peri- + -metry] determination of the extent of the peripheral visual field by use of a perimeter; cf. perioptometry.

Medical dictionary. 2011.