"STICK-ON" BIFOCALS -Turn your favorite readers, sunglasses. safety glasses or goggles into bifocals!!
"Stick-on" bifocals are great for someone who wants to apply a bifocal lens to an existing pair of glasses. The half-moon shaped bifocal adheres easily to the inside of your favorite sunglasses or safety glasses. Just use a small drop of water. They can be removed and reapplied as desired.