Eyes
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Eye test and glassesThe doctor checks how clearly you see and finds the lenses that help you see better. It is painless.⏱ usually 20 to 40 minutes, longer if your pupils are dilatedEye pressure testThe doctor measures the pressure of the fluid inside your eye. It is quick and usually painless.⏱ usually 5 to 10 minutesDilated eye examDrops are put in your eyes to make the pupils wide. Through them, the doctor can clearly see the retina, blood vessels, and the optic nerve.⏱ the visit usually takes 40 to 60 minutes; the drops take 20 to 30 minutes to workRetina scan (OCT)A safe picture of the retina and the optic nerve, taken with light. You look into a machine, and nothing touches your eye.⏱ usually 5 to 15 minutes; if your pupils are widened, another 20 to 30 minutes of waiting