At - Basically Sight Close Worsens. Is Fineest

At - basically sight close worsens. is fineest of usually used - fonts. A size (height of a letter) in a font - for a capital letter of 1,5 millimeters, and for lower case (Small) letter - about 1 millimeter. Inch - unit of length in system of English measures. One inch is equal 2,54 centimeters. - the same, that short-sightedness. At short-sightedness - sight afar. - specially picked up signs, which - in tables for check of sight. As Letters, figures, strips, figures, etc. can be applied Ophthalmology - the area of medicine studying(investigating) anatomy and Physiology of body of sight, illness of eyes and developing - their diagnostics, treatment and preventive maintenance. - the same, that so-called senile - . At sight close (basically) is broken and Sight afar. - the tool for definition of a refraction of an eye. Refraction - you also repeatedly will meet this term In the book. A refraction as writes , this refraction light Beams in optical system of an eye. More exact would be under Refraction to understand refracting force of optical system - For.