Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type
Patent
1998-01-14
1999-07-27
Mai, Huy
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Subjective type
351243, 351246, 351200, A61B 302
Patent
active
059299720
ABSTRACT:
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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Wood, Theresa "Communicating with Hearing-Impaired Patients" Journal of the American Optometric Association, vol. 58, No. 1, Jan. 1987 pp. 62-65 American Optometric Association, St. Louis.
Marino, Donna "Managing the Hearing-Impaired" Optometric Management, vol. 24, No. 10, Oct. 1988, pp. 67-71 Boucher Communications, Inc., Norwalk, CT .
Gilliam Frank D.
Mai Huy
Quo Vadis, Inc.
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