Warpage of CR-39 Plastic Lenses.
Rept. for 1 Jun 69-31 Aug 70,
SCHOOL OF AEROSPACE MEDICINE BROOKS AFB TEX
Pagination or Media Count:
CR-39 plastic lenses were found to undergo varying degrees of surface distortion after insertion into military spectacle frames. The extent of the warpage and an analysis of the factors involved are presented.
- Medicine and Medical Research