abstract
age
blind
blur
care
chart
check
checkup
conceptual
cornea
diagnosis
distortion
exam
examination
eye
eyeglass
eyesight
focus
frame
glasses
health
lense
letters
look
magnify
medical
ophthalmologist
ophthalmology
optical
optician
optics
optometry
pair
read
scale
see
sight
specs
spectacles
style
test
vision
visual