.2). Thus Of An Eye, Having Got Used Long

.2). Thus of an eye, having got used long time - on close distance, " on a habit " continues - a crystalline lens in the convex form and at removed Objects. Let's note, that there are also other theories of an origin - on which we shall not stop as It does not enter into the purposes of the present(true) work. Rays of light from nearby objects at short-sightedness - But are reduced in focus on a retina (..2). Beams of light from The removed objects are not reached(achieved) with a retina of an eye and are focused Before it(her) (..2). Thus each point of object gives on To retina instead of the same point a tiny light spot(stain) (..2). For this reason the removed objects for The short-sighted person blur. At a far-sightedness usually considered(counted) congenital - (in difference from short-sightedness which concerns more often To a got kind of infringement of sight), the eyeball has Too short form in the -back axis. Rays of light From close objects "are focused" behind a retina, creating, Thus, on a retina instead of a sharp point indistinct Spot(Stain) (.