英文關鍵字
adult
background
ball
blank
bright
care
caucasian
chameleon
clear
closeup
crystal
eye
eyeglasses
eyesight
eyewear
glass
glasses
glossy
health
landscape
lens
lenses
medical
medicine
myopia
negative
object
optical
optics
person
photochromic
photochromism
protection
public
refracted
resin
rides
round
see
shape
shiny
sight
sphere
surrounding
transparent
transport
vision
woman
yellow