| 摘要 |
An apparatus and method for communicating to a deaf or severely hearing impaired individual while vision testing utilizing indicator lights (52A), (52B), (52C), and (52D) positioned in the same plane as a visual acuity test chart (54) having optotypes (50B). The examiner activates the indicator lights by means such as an infra-red remote control receiver (56). This is done in a manner previously disclosed to the examinee permitting the examinee to understand messages from the examiner, while the examiner simultaneously operates a refractor to determine the refractive state of the examinee.
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