HORNHAUTREFLEXIONSFREIES OPHTHALMOSKOP

摘要

An ophthalmoscope comprises a light source 1, a condenser lens 3, a diaphragm 4 and a mirror 5 illuminating the eyeground T3 of a subject T with light from the light source. An observation optical system includes a lens 6 for observing the eyeground T3 by reflected light. To reduce or eliminate reflected light from the cornea T2 from entering the eye D of the examiner an analyzer 8 by which the angle of the polarizing axis is capable of being changed on the optical axis of observation is inserted in the reflected light path. A polarizer may also be inserted in the path of the illuminating light.