眼鏡

How it works

の (of) links 私(わたし) (I) to the noun, making it possessive — “my”. は (topic) then lifts 眼鏡(めがね) (glasses) as the topic: “as for my glasses…”. The sentence ends on the question word どこ (where) with no verb or copula — in casual speech you can simply name the topic and ask “where?”, and the rising ？ (?) carries the question.