# Ophthalmic Medical Technologists > Assist ophthalmologists by performing ophthalmic clinical functions and ophthalmic photography. Provide instruction and supervision to other ophthalmic personnel. Assist with minor surgical procedures, applying aseptic techniques and preparing instruments. May perform eye exams, administer eye medications, and instruct patients in care and use of corrective lenses. - Code: 29-2099.05 (O*NET-SOC; SOC 2018 29-2099) - Family: [Healthcare Practitioners](https://foundation.org.ai/occupations#family-29), one of its 96 occupations - Tasks: 31 tasks (29 core and 2 supplemental) - Page: https://foundation.org.ai/occupations/29-2099.05 - JSON: https://foundation.org.ai/data/tasks/29-2099.05.json ## What the work is made of 1. Conduct tonometry or tonography tests to measure intraocular pressure. Core task · Task 19268 · Rated by 20 occupational experts, August 2020 2. Take and document patients' medical histories. Core task · Task 19287 · Rated by 20 occupational experts, August 2020 3. Take anatomical or functional ocular measurements, such as axial length measurements, of the eye or surrounding tissue. Core task · Task 19281 · Rated by 20 occupational experts, August 2020 4. Measure visual acuity, including near, distance, pinhole, or dynamic visual acuity, using appropriate tests. Core task · Task 19275 · Rated by 20 occupational experts, August 2020 5. Administer topical ophthalmic or oral medications. Core task · Task 19259 · Rated by 20 occupational experts, August 2020 6. Measure and record lens power, using lensometers. Core task · Task 19271 · Rated by 20 occupational experts, August 2020 7. Calculate corrections for refractive errors. Core task · Task 19263 · Rated by 20 occupational experts, August 2020 8. Collect ophthalmic measurements or other diagnostic information, using ultrasound equipment, such as A-scan ultrasound biometry or B-scan ultrasonography equipment. Core task · Task 19264 · Rated by 20 occupational experts, August 2020 9. Perform ophthalmic triage, in the office or by phone, to assess severity of patients' conditions. Core task · Task 21190 · Rated by 20 occupational experts, August 2020 10. Clean or sterilize ophthalmic or surgical instruments. Core task · Task 19283 · Rated by 20 occupational experts, August 2020 11. Educate patients on ophthalmic medical procedures, conditions of the eye, and appropriate use of medications. Core task · Task 21191 · Rated by 20 occupational experts, August 2020 12. Conduct ocular motility tests to measure function of eye muscles. Core task · Task 19266 · Rated by 20 occupational experts, August 2020 13. Assess refractive condition of eyes, using retinoscope. Core task · Task 19261 · Rated by 20 occupational experts, August 2020 14. Conduct visual field tests to measure field of vision. Core task · Task 19269 · Rated by 20 occupational experts, August 2020 15. Measure corneal thickness, using pachymeter or contact ultrasound methods. Core task · Task 19273 · Rated by 20 occupational experts, August 2020 16. Measure corneal curvature with keratometers or ophthalmometers to aid in the diagnosis of conditions, such as astigmatism. Core task · Task 19272 · Rated by 20 occupational experts, August 2020 17. Supervise or instruct ophthalmic staff. Core task · Task 19280 · Rated by 20 occupational experts, August 2020 18. Measure the thickness of the retinal nerve, using scanning laser polarimetry techniques to aid in diagnosis of glaucoma. Core task · Task 19274 · Rated by 20 occupational experts, August 2020 19. Assist physicians in performing ophthalmic procedures, including surgery. Core task · Task 19262 · Rated by 20 occupational experts, August 2020 20. Perform fluorescein angiography of the eye. Core task · Task 19277 · Rated by 20 occupational experts, August 2020 21. Photograph patients' eye areas, using clinical photography techniques, to document retinal or corneal defects. Core task · Task 19279 · Rated by 20 occupational experts, August 2020 22. Maintain ophthalmic instruments or equipment. Core task · Task 19286 · Rated by 20 occupational experts, August 2020 23. Conduct tests, such as the Amsler Grid test, to measure central visual field used in the early diagnosis of macular degeneration, glaucoma, or diseases of the eye. Core task · Task 19267 · Rated by 20 occupational experts, August 2020 24. Conduct binocular disparity tests to assess depth perception. Core task · Task 19265 · Rated by 20 occupational experts, August 2020 25. Assess abnormalities of color vision, such as amblyopia. Core task · Task 19260 · Rated by 20 occupational experts, August 2020 26. Call patients to inquire about their post-operative status or recovery. Core task · Task 19282 · Rated by 20 occupational experts, August 2020 27. Instruct patients in the care and use of contact lenses. Core task · Task 19285 · Rated by 20 occupational experts, August 2020 28. Conduct low vision blindness tests. Core task · Task 19284 · Rated by 20 occupational experts, August 2020 29. Perform advanced ophthalmic procedures, including electrophysiological, electrophysical, or microbial procedures. Core task · Task 19276 · Rated by 20 occupational experts, August 2020 30. Perform slit lamp biomicroscopy procedures to diagnose disorders of the eye, such as retinitis, presbyopia, cataracts, or retinal detachment. Supplemental task · Task 19278 · Rated by 20 occupational experts, August 2020 31. Create three-dimensional images of the eye, using computed tomography (CT). Supplemental task · Task 19270 · Rated by 19 occupational experts, August 2020 ## More in Healthcare Practitioners - [Acupuncturists](https://foundation.org.ai/occupations/29-1291.00): 18 tasks - [Acute Care Nurses](https://foundation.org.ai/occupations/29-1141.01): 26 tasks - [Advanced Practice Psychiatric Nurses](https://foundation.org.ai/occupations/29-1141.02): 24 tasks - [Allergists and Immunologists](https://foundation.org.ai/occupations/29-1229.01): 16 tasks - [Anesthesiologist Assistants](https://foundation.org.ai/occupations/29-1071.01): 16 tasks - [Anesthesiologists](https://foundation.org.ai/occupations/29-1211.00): 18 tasks - [Art Therapists](https://foundation.org.ai/occupations/29-1129.01): 25 tasks - [Athletic Trainers](https://foundation.org.ai/occupations/29-9091.00): 23 tasks - [Audiologists](https://foundation.org.ai/occupations/29-1181.00): 22 tasks - [Cardiologists](https://foundation.org.ai/occupations/29-1212.00): 26 tasks - [Cardiovascular Technologists and Technicians](https://foundation.org.ai/occupations/29-2031.00): 21 tasks - 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