Visual acuity examination apparatus

摘要

A visual acuity examination apparatus for examining a visual acuity of an examinee by presenting an optotype to the examinee includes optotype presenting means (20-29) for selectively presenting at least one of a plurality of comparison optotypes expressed in geometrical series, the optotypes being provided to be plural in number for each visual acuity value, input means (49) for inputting a distinction answer of the examinee with respect to the presented optotype, storage means (38) for storing an examination program which sequentially determines an optotype to be next presented based on whether the distinction answer with respect to the presented optotype is right or wrong, and control means (38) for controlling the optotype presenting means in accordance with the examination program. <IMAGE>