Definitions:
unable to see because of injury, disease, or a congenital condition

lacking perception, awareness, or judgement

(of a corner or bend in a road) impossible to see round

not the slightest (used in emphatic expressions)

(of a plant) without buds, eyes, or terminal flowers

cause (someone) to be unable to see, permanently or temporarily

deprive (someone) of understanding, judgement, or perception

move very fast and dangerously

a screen for a window, especially one on a roller or made of slats

something designed to conceal one's real intentions

a heavy drinking bout

without being able to see clearly