Just as eyeglasses are the easiest and safest way to correct vision topside, corrective lenses are the simplest and most cost effective choices for correcting it underwater. Tired of not being able to see well underwater? Can't read your computer or gauges? Maybe you not sure what F-Stop you are setting your camera on? If these are problems for you when diving you need to get a set of Diopter Lenses for your Dive Mask.
The Atomic Aquatic Gauge Reader Lenses for the Atomic Aquatic Sub Frame Mask (see SKU's: ATMMSF or ATMMSM) allow you to See-Things-Clear Underwater with Positive Bi-Focal Diopters. The Diopters are available from +1.5 to +2.5 in +0.5 Diopter increments both left and right lens. Are Tempered Safety Glass, Easy to install and will make seeing underwater better and increase your diving safety. And are covered by a Limited Lifetime Warranty.