Performs testing: corneal topography, autorefraction, contrast sensitivity tests, tonometry, Humphrey visual fields, OCT, pachymetry, A-Scan for IOL calculation, B-Scan, ophthalmic photography and using other ophthalmic equipment in the clinic. Calibrate and maintain all instruments used including, but not limited to bio- microscopes, lensometer, keratometer, slit lamp and tonometers; clean and stock consultation rooms and microbiology laboratory with drugs and other supplies as needed.