GI glasses

[citation needed] This was commonly said to mean "rape prevention glasses" due to their unstylish appearance.

[1] After World War II, the material was switched from nickel alloy wire to cellulose acetate.

When entering recruit training, service members may wear civilian glasses until government-issued ones are assigned, including but not limited to the BCG.

After recruit training, service members are permitted to wear Frame of Choice glasses which are conservative in design and color or contact lenses.

The military offers annual replacements for those who qualify, and personnel may request the government issued glasses in addition to several varieties of more attractive eyewear, in clear and tinted lenses, as well as prescription gas mask inserts and inserts for government-funded eye protection ballistic eyewear.

GI glasses, gray cellulose acetate, 1960s design
Army issue glasses from the mid-1980s
Male S9 ("MS9") GI glasses, 1990s design
Female S9 ("FS9") GI glasses
Model "5A" GI glasses, 2012 design