ocular

. [Lat. ocular is =pertaining to the eye; oculus =an eye; Fr. oculaire; Sp. ocular; Ital. oculare.] A. As adjective : 1. Of or pertaining to the eye; depending on the eye; received or known from actual sight. *2. Visible to the eye; plain, evident, manifest. "That still remaines a marke too ocular To leave your heart yet blinded." Chapman: Homer's Ody ey, xxiii. 3. Seeing; using or acting by the eye. "Thomas was an ocular witne of Christ's death and burial."-South: Sermons, vol. v., ser. 4. B. As subst.: The eye-piece of a telescope or microscope.