Whether you want to learn to scuba dive, or you've already been diving for a while, there's a good chance you wear prescription lenses. (Over 194 million adults in the U.S. wear corrective lenses according to The Vision Council's VisionWatch 2018 Annual Report). Do you need to ask your optometrist for another prescription before you buy corrective lenses for your diving mask? The short answer is: no. Read on for important details on how to order the correct lenses for diving.