Whether you've got 20/20 vision or can barely find your glasses on the nightstand, see if you can focus long enough to ace this quiz.
Benjamin Franklin invented bifocals after growing tired of switching between two pairs of glasses to treat both nearsightedness and what other condition?
Farsightedness
For most adults undergoing a dilated eye exam, vision typically remains blurred for approximately how many hours?
Four to six
Specifically known as a hordeolum, what is the term for a red, painful, pimple-like bump that forms at the base of an eyelash?
Stye
What common age-related condition is caused by the eye's lens losing flexibility, often leading people in their 40s to buy their first pair of reading glasses?
Presbyopia
To reduce dryness and encourage a natural downward gaze, ergonomic guidelines recommend placing the top of your computer screen at or slightly below what point?
Eye level