Career & application guide

Ophthalmic Medical Technologists

Get to know the work, the skills that matter, and how to prepare your next application.

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What do ophthalmic medical technologists do?

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.

This describes a U.S. occupation, not a live vacancy. Individual employers may use different titles and requirements.

Job titles to recognize in your search

O*NET reports these titles for this occupation. Compare the responsibilities in each posting before treating titles as equivalent.

  • Certified Diagnostic Ophthalmic Sonographer (CDOS)
  • Certified Ophthalmic Medical Technologist (COMT)
  • Ophthalmic Echographer
  • Ophthalmic Medical Technologist (Ophthalmic Medical Tech)
  • Ophthalmic Photographer
  • Ophthalmic Sonographer
  • Ophthalmic Technologist (Ophthalmic Tech)
  • Ophthalmic Ultrasonographer

Core tasks to compare with a job posting

  • Conduct tonometry or tonography tests to measure intraocular pressure.
  • Take and document patients' medical histories.
  • Take anatomical or functional ocular measurements, such as axial length measurements, of the eye or surrounding tissue.
  • Measure visual acuity, including near, distance, pinhole, or dynamic visual acuity, using appropriate tests.
  • Administer topical ophthalmic or oral medications.
  • Measure and record lens power, using lensometers.
  • Calculate corrections for refractive errors.
  • Collect ophthalmic measurements or other diagnostic information, using ultrasound equipment, such as A-scan ultrasound biometry or B-scan ultrasonography equipment.
  • Perform ophthalmic triage, in the office or by phone, to assess severity of patients' conditions.
  • Clean or sterilize ophthalmic or surgical instruments.

Prepare an application for this occupation

  1. Check the employer’s requirements, location, schedule and any licenses against your situation.
  2. Choose two or three tasks above that match the posting and your actual experience.
  3. Build a resume evidence worksheet using the skills and software relevant to that employer.
  4. Practice explaining your contribution, decisions and results before an interview.

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