Calabria Hydrotac Dive OPTX Stick On Bifocal Lenses for Scuba Masks and Diving Goggles | Water Activated, Reusable Readers

I followed the instructions applying them, and did it two weeks in advance of my dive. I did not like my original position, so a week later I followed the steps to remove and position. A week later on dive day, these were well tested during the dive (unintentionally), as my dive mask itself was not a good fit and I spent the entire dive clearing my mask at 44 ft. Stuck on like glue. Power was true to my bifocal prescription, so function as well as I could have hoped (could read my GoPro settings underwater - when my mask was not flooded, of course). Good value opposed to a prescription mask, considering I only dive twice a year.

I was so excited to try these out. I’m here in Cozumel on my scuba trip. I applied the lenses as instructed. In fact, more so as I let them “cure” for 48 hours (vs. recommend 24 hours) before entering the water. Today, I did a gentle goggle rinse and the lenses floated away, never to be seen again, like my hopes of reading my dive watch underwater.

Worked as expected - now I can read my GoPro icons and dive watch!!

Work great in various masks. Easy to put on and take off.

Absolute junk. Lasted 2 minutes

I was on a dive in October and a fellow farsighted diver recommended these “stick-on” cheaters for my mask to make reading my computer and gauge easier. I had no trouble installing these. I was a bit nervous on my first dive that they'd wash right off, but they stuck tight and have on another 12 dives so far. It's easy to see the small print now. Thanks! The only drawback is my dive guides sometimes think I’ve got water in my mask and can't clear it. Update on 5/24/2025: today while diving one of these came unstuck while diving.

Worked well, stayed on for a week of diving in Bonaire. Unfortunately they fogged easily and I had to keep flooding my mask to clear them.

What a Waste...i put them on according to the instructions, and they came off almost immediately.....my dive instructor said he would try.....he tried - again exactly how it was instructed - and they washed out & away when i defogged my mask (underwater) within 60 seconds of the dive.....i was originally told not to waste my time & money on those temp type lens and should pay the extra to get them built in the mask originally.......lesson learned.

They are perfect, I modified on my mask and they remained without any problem on my lenses ! I cleaned after two dives and reattached! Thank you