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
Noun
「めがねなくても大丈夫だいじょうぶなの？」「あ、これ伊達だてめがねだから、頭あたまよくなるかなと思おもって」
"You're OK without your glasses?" "Ah, these are fake you see, I thought it might make me brainier..."