Why soldiers wear glasses in combat?

Eye protection is essential for anyone using a firearm, whether at a shooting range or in a forest or field.
Many shooting activities take place outdoors where wind, sun, and dust also can lead to eye and vision problems.

This can also protect your face from gum “blowback”.
Blowback or recoil is a system of operation for self-loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gas created by the ignition of the propellant charge.

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