Safety Lens Standards - FINAL Flashcards
1
Q
basic impact lenses are tested how?
high impact lenses are tested how?
A
lenses separate
frame and lenses together
2
Q
minimum coverage area is a space of:
A
40mm wide, 33 mm high
3
Q
rx lenses are marked in _ corner of lens
A
upper right
4
Q
non rx lenses are marked _
A
upper middle of lens
