The Collaborative International Dictionary of English v.0.48:

Purblind \Pur"blind`\, a. [For pure-blind, i. e., wholly blind.
   See Pure, and cf. Poreblind.]
   1. Wholly blind. "Purblind Argus, all eyes and no sight."
      --Shak.
      [1913 Webster]

   2. Nearsighted, or dim-sighted; seeing obscurely; as, a
      purblind eye; a purblind mole.
      [1913 Webster]

            The saints have not so sharp eyes to see down from
            heaven; they be purblindand sand-blind. --Latimer.
      [1913 Webster]

            O purblind race of miserable men.     --Tennyson.
      [1913 Webster] -- Pur"blind`ly, adv. --
      Pur"blind`ness, n.
      [1913 Webster]