also: めがよい
expression, i-adjective (yoi/ii class)
have good eyesight; have sharp eyes
Describes someone with naturally good vision or keen observation. Often used in contrast with 目が悪い (poor eyesight).
Antonyms: 目が悪い
彼は目がいいから、遠くの看板も読める。
He has good eyesight, so he can read signs far away.
祖母は年をとっても目がいい。
My grandmother still has good eyesight despite her age.
Antonym; means having poor eyesight or bad vision.
Phrase composed of 目 (eye) + が (subject marker) + いい (good). Literally 'eyes are good', used idiomatically for good vision.