Visor

n.	1.	A part of a helmet, arranged so as to lift or open, and so show the face. The openings for seeing and breathing are generally in it.
	2.	A mask used to disfigure or disguise. My weaker government since, makes you pull off the visor. - Sir P. Sidney.
	3.	The fore piece of a cap, projecting over, and protecting the eyes.

Noun	1.	visor - a piece of armor plate (with eye slits) fixed or hinged to a medieval helmet to protect the face Synonyms: vizor
	2.	visor - a brim that projects to the front to shade the eyes; "he pulled down the bill of his cap and trudged ahead" Synonyms: eyeshade, vizor, peak, bill

bill, camouflage, dark glasses, disguise, domino, eyeshade, eyeshield, false colors, false face, false front, goggles, incognito, mask, masque, masquerade, mummery, peak, protective coloration, shades, smoke screen, smoked glasses, sunglasses, vizard, vizard mask