GI glasses
eyeglasses issued by the American military to its service members
GI glasses are prescription glasses from the United States military. They are given to soldiers and sailors, especially during basic training (boot camp). GI glasses have been officially known as Regulation Prescription Glasses (RPG) or similar names. A nickname for GI glasses is Birth control glasses. Contact lenses are never permitted during basic training.
Similar glasses without any metal may be issued to inmates at state and federal prisons.
