Fundus contact lens

Fundus contact lens (Koeppe's) To inspect the posterior vitreous body and posterior pole fundus on the optical axis of the eyeball, a Goldmann-type plano-concave contact lens is now commonly used, and its composition is -55 to -60 diopters. Because the contact lens itself does not magnify, the magnification of the fundus is the same as that of the microscope used, the fundus is positive, and there is less reflected light when used, which is easy to inspect.