Perform preliminary eye tests: Conduct basic vision tests, including visual acuity, color vision, and peripheral vision screenings.Assist in exams: Support the optometrist during patient exams, which can include taking patient histories, measuring pupil size, and operating diagnostic equipment.Help with contact lens fittings: Instruct patients on the proper use and care of their contact lenses.Operate and maintain equipment: Prepare examination rooms, sterilize equipment, and perform minor repairs on glasses