A corneal lens (1) is provided with a measurement electrode (4), a portion of which being flush with the concave surface of the lens or protruding from said surface, in such a manner to be in service position directly in contact with the cornea of the eye. The convex surface of the lens comprises pins...http://www.google.fr/patents/US4386831?utm_source=gb-gplus-shareBrevet US4386831 - Device for the measurement of electrical potentials of the eye
Device for the measurement of electrical potentials of the eye
