a. ? Obs. Not seeing clearly; having obscure or dim vision.
1592. Shaks., Ven. & Ad., 136. Were I … Thick-sighted, barren, leane, and lacking iuyce.
1628. Feltham, Resolves, II. [I.] xcii. 269. Shee is thick-sighted, and cannot see them.
1775. Sheridan, St. Patr. Day, II. iii. We are but blind guessers…. Thick-sighted mortals.
1863. Mrs. Gaskell, Sylvia’s Lovers, xxi. Too thick sighted to see through a board.
