Snellen eye chart for the vision exam.
Palabras clave
chart,
eye,
measure,
vision,
exam,
impairment,
test,
poster,
visual,
testing,
letter,
health,
care,
white,
background,
physician,
nurse,
screen,
person,
monitor,
patient,
doctor,
illustration,
design,
web,
print,
download,
business