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 . In addition, the preparation of examination and treatment rooms, performing basic and routine vision screening examinations, administering eye medications, cleaning, and maintaining ophthalmic instruments and assisting physicians during minor surgical and laser procedures may be required.