Anti-fog glasses
effect
Anti-degrees change
When the temperature difference between the two sides of the lens is too large, the lens will fog up. Preventing the temperature difference from being too large can effectively prevent fogging.
Anti-fog
When is rainy foggy or
you are wearing the m
ask it can effectively
prevents fogging
Anti-fall
Anti-drop makes
the glasses not
easy to break
defect
no high quality
because the production
materials are relatively
simple and low cost, the
quality is reduced
only for people
who wearing
glasses
uncommonly used
likely to brake
because the material
is not for anti-fall and
glasses are easy to
brake so it's not hard
to brake
advantage
low cost
all of the material is very cheap
low height
because the material
is very less and easy
easily make
because the material
is very simple
workly well
user
Myopia
another groups
special groups