Choice of optotypes scale
(%$(($(D
()A(( $B
L
L %
L 8
L
L $H )
" 8)()
L
L %
L 8
L
$7 $@( 7H
($ %D
($$D
E 6H($((
E ($$7 ))D
L $A/:,B
L $A!:/B
L $A",:/B
%($($D
E ($7( )$@
E ($$