Dictionary / Vocabulary / 伊達メガネ
だてめがね · also ダテメガネ
non-prescription glasses (worn as a fashion accessory); fake glasses; lensless glasses
Also written 伊達眼鏡、伊達めがね、ダテ眼鏡
「めがねなくても大丈夫なの?」「あ、これ伊達めがねだから、頭よくなるかなと思って」
"You're OK without your glasses?" "Ah, these are fake you see, I thought it might make me brainier..."