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.
There are many different types of bifocal and multifocal lenses available on the market that correct different types of vision disorders. Multifocal and bifocal contact lenses are very similar to their glasses counterparts.They are available in rigid gas permeable, soft forms, and in a hybrid form.here are many different types of bifocal and multifocal lenses available on the market that correct different types of vision disorders. Multifocal and bifocal contact lenses are very similar to their glasses counterparts.