blind
blurred
blurry
clarity
clear
correction
deficiency of vision
difference
dioptrine
eye
eye doctor
eyes
farsighted
farsightedness
glass
glasses
have
help
hyperopia
improve
intimated
modern
myopia
new york
optician
perspective
reading glasses
see
see through
sewing aid
sharp
shortsighted
sight
spectacle lens
spectacle lenses
through
usa
view
vision
visual acuity
visually impaired
weakness