Hydrotac Stick-on Bifocal Lenses - +3.00 Diopter, Adult, Unisex, Rimless, Plastic, Hydro-Phobic Coating, 3 Diopters

When it sticks it very good but I find it don’t stay on my glasses very long

Muy util para poder leer con lentes obscuros

Tolles Produkt

They work pretty good, probably should be considered a consumable and replaced periodically.

I purchased these stick-on lens enhancements to prepare myself for glasses. I have used contact lenses for about thirty years, now, and I was beginning to have problems with irritations inside my right eyelid. I wanted to see how certain types of lens layouts would work with my daily routine, so I purchased these lenses to stick onto my "drugstore magnifying glasses". I have to say, they work pretty well... but I'm still not happy with wearing glasses. They tend to pick up a lot of reflections and in bright sun, it's even more difficult to see than with the contacts. For working on the internals of my computers, which I do fairly often. I find it daunting to get the reading magnification I need in the exact spot I need it, at times. I think the term used is tri-focals for how I arranged the lens enhancements. I cut the lenses in half, horizontally, and placed them high and low on the magnifying glasses I wear, leaving the horizontal center slot open for distance viewing. This keeps me from having to crane my arthritic neck up and down to read a computer monitor or work on things at different elevations. I have dislodged one of the "lens stickers" while cleaning, but it was pretty easy to reattach. I see others having problems keeping them adhered to their glasses, but I have had no problems with that, other than that one cleaning incident. I just use warm water and clean hands to affix the lenses on the back side of my +2.00 magnifying glasses, which I need to see distant objects... and with the 3.00 enhancement applied, I get the +5.00 reading magnification I need to read and do detailed close-up work. It's not perfect, but if I am never able to use contacts again, I have done my homework in getting used to wearing glasses, when the time comes. At least I can function, without having to wear two pair of glasses at the same time, so I can read... then remove one pair to see distant object. Carrying a pair of glasses in my pocket is not good for the longevity of the "pocket pair".