Press-On Bifocal Lenses
Press-on Bifocal lenses provide provide a quick & economical solution to adding reading magnification to sunglasses, dive masks and safety glasses, without the expense of prescription optics. The perfect add-on for any glasses. No more squinting. No more stacking two pairs of glasses. Removable and replaceable.
3M Press-On lenses are available for both nearsightedness (Minus) and farsightedness (Plus). The lenses are 2 1/2" circles. They are trimmable to any size. The most popular application is to create an inexpensive prescription Dive Mask.