instrument used to correct abnormalities in eye muscles
(fә-rom´ә-tәr) an instrument to test oculomotor balance. phoro-optometer.
phorometer, phorometry 1. An instrument for detecting and measuring imbalance in the extrinsic muscles of the eyes. 2. An instrument to test oculomotor balance. 3. An instrument used to correct abnormalities in eye muscles.