From Longman Dictionary of Contemporary Englishdark glassesˌdark ˈglasses noun [plural] DCglasses with dark glass in them that you wear to protect your eyes from the sun or to hide your eyes → sunglasses
Examples from the Corpus
dark glasses• Behind them in a doorway is a man wearing plain clothes and dark glasses.• She had not removed her dark glasses.• He put on his dark glasses as he crossed the other carpark, the one reserved for major executives.• I wore my dark glasses even for these few moments, as my blue eyes were always straining in the brilliant light.• Meticulously she tied a scarf around her head and put on a pair of dark glasses.• The dark glasses were the final straw as far as my schoolmates were concerned.• He is photographed one more time, wearing dark glasses.• He is walking about Nice with dark glasses and bruises. 