Products Organic Lenses Semifinished Single Vision 1.498 CR-39 1.50 BLUCHECK 1.56 BLUCHECK 1.56 DAYNITE Bifocal 1.498 CR-39 1.50 BLUCHECK 1.56 BLUCHECK 1.56 DAYNITE Progressive 1.498 CR-39 1.50 BLUCHECK 1.56 DAYNITE ASPHERIC 1.498 CR-39