Forty five to sixty minutes, because that is how long it takes to do properly.
A comprehensive exam settles your prescription, then keeps going. We look at the front and back of the eye, check pressure and the optic nerve, and screen for glaucoma, macular degeneration, diabetic changes and cataracts. Some of what shows up in an eye exam is not about your eyes at all. Blood vessels in the retina can carry the first sign of blood pressure or cholesterol trouble.
Dilation is sometimes needed. If it is, we tell you in advance so you can plan around a few light sensitive hours.
More on eye exams

