Now showing items 1-1 of 1
Ophthalmic contact lens with internal fixation light for examination of the optic nerve
(United States Patent and Trademark Office, 1991-06-18)
An instrument and method for examining the optic nerve head (34) of a patient's eye (14) is disclosed. The instrument is comprised of a gonioscopic lens (10) a lens system (26) where the lens system (26) directs a collimated ...