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US 4,536,065 AGranted
Fixation device for eye testing
OwnerLarry A. Sheingorninventor
Life of this patent
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Abstract
A fixation device having primary utility in testing children's eyes is disclosed. The device comprises employing remote control of a variety of fixation targets to maintain the attention of the child-patient.
Claims6
A fixation device for testing vision comprising:
- (a) remote transmission means for transmitting any one of a plurality of characteristic signals which is selected by the examiner,
- (b) receiving means having no physical connection to the transmission means for receiving and identifying said characteristic signal and for generating and directing a function command signal to the appropriate function circuitry, and
- (c) function circuitry for receiving the function command signals from the receiving means and operating two or more accommodative fixation targets in response thereto, wherein said accommodative fixation targets are mechanical figures which move and emit sounds when activated.
Dependencies are inferred from the claim text.