Tablica Snellena (gotowa do druku), Zdrowie,zioła,wegetarianizm,zdrowe odżywianie,oczyszczanie ...
[ Pobierz całość w formacie PDF ]//-->Legal NoticeIf you have serious problems with your eyesight, please seek theadvice of a qualified eye care professional.This work is released into the public domain. This document wasoriginally designed by Joel Schneider in May, 2002.Technical NotesThe document is laid out to be printable on either letter-sized or A4paper. Distance values for normal eyesight are marked in bothU.S. Customary and metric units.When printing the PDF version of this document, be sure to disablethe "Fit to Page" print option.To quickly test whether the eye chart is printed at the correct size,measure the height of the big letter E. It should be 3.49 inches(88.7 millimeters) high. This height represents 5 minutes ofsubtended arc at a distance of 200 feet (60.96 meters).200 ft.60 m100 ft.30 m70 ft.21 m60 ft.18 m50 ft.15 m40 ft.12 m30 ft.9m25 ft.7.5 m20 ft.6mbXXXbXXXVfedca`YWU T R Q P I H FGGSGGGGGED C B A @ 9 7 58888888643 2 1 0 ) ( ' & %$ # " !©¨§¦¥¤£¢¡ 4 ft.5 ft.6 ft.8 ft.10 ft.13 ft.15 ft.1.2 m1.5 m1.8 m2.4 m3m3.9 m4.5 mNear Vision Test CardHold at a distance of 16 inches (40.6 centimeters).160 in.80 in.56 in.48 in.40 in.32 in.24 in.20 in.16 in.uty x w v~}|{zywuvvxvxvxvtskkkpnkklkkirqo m jbbbXbbbbhgfedsrqpihg4.0 m2.0 m1.4 m1.2 m1.0 m80 cm60 cm50 cm40 cm [ Pobierz całość w formacie PDF ]