Provided is an automatic eyesight test device comprising: a display unit for displaying an eyesight test chart image including a first figure expressed in a line and a second figure
FIG. 2 is a wave form chart of the output of each portion. DESCRIPTION OF THE INVENTION Referring first to FIG. 1, there is shown an eyesight protection circuit diagram of the present invention. As illustrated in FIG. 1, the present invention resides in an eyesight protection circuit of a...