Most people go for their regular eye exams to an optometrist, a doctor who specializes in eye exams, glasses, contacts, and more routine eye conditions. But since my family has a history of cataracts and glaucoma, I visit an ophthalmologist, a medical doctor who can do all the routine eye care but who also specializes in eye disease, eye surgery, and medical eye treatment.

My ophthalmologist also has techs who work with him to help with the basic eye chart testing. He interprets those results and does the more in-depth eye health exams.

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I find the eye chart tests that determine glasses prescriptions to be very frustrating. Because the test rapidly swaps lenses in an effort to discover which makes the distant text clearer to read, the results are very subjective. Because the stakes are high, exam time is limited, and conditions aren't ideal, I almost always second-guess every swap.