FTN â **** the Navy. Commonly used as graffiti in hard to find places as a type of game. While there are no clear objectives, the result of upsetting officers constitutes a type of victory.
Bifocals, are eyeglasses with two distinct optical powers, Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hyperopia, and/or astigmatism.
Compared with regular multifocal eyeglasses, occupational glasses in different forms allow related wearers to see with improved flexibility. Some jobs really require unusual viewing ways, which can not be achieved through standard reading glasses, bifocals and trifocals.