英文關鍵字
anatomy
blur
care
concave
condition
convex
cornea
cross
defect
diagram
education
eye
eyeball
eyeglasses
farsightedness
focus
glass
health
healthcare
human
hyperopia
icon
illustration
lens
lenses
long
medical
medicine
myopia
nearsightedness
ophthalmology
optic
optical
optician
optometry
organ
plane
point
retina
science
section
shape
short
sight
transparent
vision
visual