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.
Secondary piggyback IOLs are available as monofocal, multifocal, toric and multifocal toric models. 10 There are three IOLs specifically designed for secondary implantation in the ciliary sulcus to correct pseudophakic ametropias or pseudophakic presbyopia: the Sulcoflex (Rayner Intraocular Lenses Ldt, East Sussex, United Kingdom), which was the first to be commercially available, the Add-On (HumanOptics, Erlangen, Germany) and the 1st Add-On (1st Q GmbH, Mannheim, Germany).