Perform pre-exam testing to include visual acuity assessment, including pinhole and glare testing, confrontational visual field testing, assess extra ocular muscles, pupillary evaluation, tonometry, assess angles, pupillary dilation, and all other patient services as requested by the physician including specialty tests such as color vision screening, stereopsis, and dry eye testing . Open and close exam lanes daily, ensuring that equipment is wiped down in an appropriate manner and as per office procedures, battery powered instruments are seated properly in re-charging wells, slit lamps and projectors are switched off under covers .