SELF-STANDARD OCCULAR PERIMETRY, INSTALLAR CHINESE PERIMETRY

摘要

A first light (160) is moved and illuminated by an x-y plotter mechanism on a rear projection screen (120) under computer control (400) so as to be continuously fixated by an eye of a test subject (300). The computer (400) also causes one or ones of fixed position second light (150), typically sixteen in number positioned in a regular array, to momentarily illuminate at various times corresponding to various positions of the moving first light. The test subject (300) indicates detection or non-detection of the momentary illuminations to the computer (400) by voicing the numbers ''1'', ''2'', ''3'', etc. From successive illuminations and test subject (300) responses the computer (400) is able to survey the entire visual field of each subject's eye in all directions. The surveyed visual field is plotted on graph paper with the same x-y plotter mechanism that is otherwise and at other times used for moving the first light source (160).