Simple optical system measures corneal deformations. Shuttered laser briefly illuminates subject's eye through reticle, projecting concentric rings of light on eye. Reflected by beam splitter and mirror into solid-state video camera, ring pattern compared with reference pattern by computer. Keratometer assists in rapid diagnosis of eye ailments and preparation of cornea for surgery. Unit does not require critical alignment with eye; results more reliable, and easier to use.
Computer-Driven Keratometer
NASA Tech Briefs ; 15 , 9
1991-09-01
Miscellaneous
No indication
English
NTRS | 1988
|Computer driven electroluminescent vertical scale indicator
TIBKAT | 1967
|Computer-controlled power takeoff driven motorized pump system
European Patent Office | 2023
|COMPUTER-CONTROLLED POWER TAKEOFF DRIVEN MOTORIZED PUMP SYSTEM
European Patent Office | 2021
|COMPUTER-CONTROLLED POWER TAKEOFF DRIVEN MOTORIZED PUMP SYSTEM
European Patent Office | 2024
|