US PATENT SUBCLASS 351 / 209
.~.~ Including eye movement detection

Current as of: June, 1999
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351 /   HD   OPTICS: EYE EXAMINING, VISION TESTING AND CORRECTING

200  DF  EYE EXAMINING OR TESTING INSTRUMENT {7}
205  DF  .~ Objective type {10}
209.~.~ Including eye movement detection {1}
210  DF  .~.~.~> Using photodetector

DEFINITION

Classification: 351/209

Including eye movement detection:

(under subclass 205) Subject matter including means for indicating or recording eye movement.