as blind as a beetle

blindfolded blindfold eyeless nearsighted sightless viewless stone-blind dim-sighted unseeing bleary-eyed visionless blear-eyed mope-eyed mole-eyed

provident supervisory waker conversant seeing watching

as blind a beetle

as black as the devil as black as thunder as blind as a bat as blind as a brickbat as blind as a mole as blind as an owl