acuity
adult
astigmatism
background
care
caucasian
clean
closeup
contact
cornea
correct
correction
corrective
defect
eye
eyesight
eyestrain
eyewear
face
farsighted
farsightedness
female
finger
girl
hand
health
hygiene
inserting
lens
lenses
medical
medicine
myopia
nearsighted
nearsightedness
ophthalmology
optic
optical
optometry
person
prescription
putting
retina
shortsighted
sight
soft
treatment
vision
woman
young