The Collaborative International Dictionary
To blear the eye of
Blear \Blear\, v. t. [imp. & p. p. Bleared; p. pr. & vb. n. Blearing.] [OE. bleren; cf. Dan. plire to blink, Sw. plira to twinkle, wink, LG. plieren; perh. from the same root as E. blink. See Blink, and cf. Blur.] To make somewhat sore or watery, as the eyes; to dim, or blur, as the sight. Figuratively: To obscure (mental or moral perception); to blind; to hoodwink.
That tickling rheums
Should ever tease the lungs and blear the sight.
--Cowper.
To blear the eye of, to deceive; to impose upon. [Obs.]
--Chaucer.