a. 1. Not sighted, or seen. Suckling. [ 1913 Webster ]
2. (Gun.) Not aimed by means of a sight; also, not furnished with a sight, or with a properly adjusted sight; as, to shoot and unsighted rife or cannon. [ 1913 Webster ]
(adj) unable to see; --Kenneth Jernigan, Syn. unsighted, Ant. sighted, Example:a person is blind to the extent that he must devise alternative techniques to do efficiently those things he would do with sight if he had normal vision