A
term used to refer to
eyeglasses with
convex lenses. They are
used by people who are
far-sighted, Conves
lenses
compensate for when the lens of the
eye is too weak to
focus an object that is up close.
Of course, if the lens of the eye is too weak, it may not be possible to view distance objects while wearing plus glasses. Therefore you must take off your glasses to look up from the book you're reading, or the computer screen. This is where bifocals help.