US PATENT SUBCLASS 351 / 203
.~ Eye exercising or training type


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}
203.~ Eye exercising or training type


DEFINITION

Classification: 351/203

Eye exercising or training type:

(under subclass 200) Subject matter including multipurpose instruments, which serve to examine and test the eye to rectify defective vision, and which may be used to subject the eyes to a controlled muscle strain period or flashed illumintion for training and exercising purposes.

(1) Note. The above instruments may comprise prismatic lenses of adjustable power, stereoscopic devices, or movable test objects for exercising ocular muscles.