Fundus contact lens and Hruby lens.
The fundus contact lens is a much overlooked diagnostic aid that can make difficult diagnosis simple. The combination of binocular vision, great light intensity and a range of magnification powers using the fundus contact lens and the slit lamp give the practitioner an excellent resolution to view the fundus.
D003261:Contact Lenses; D005128:Eye Diseases / Q000175:diagnosis; D005654:Fundus Oculi; D006068:Gonioscopy / Q000295:instrumentation* / Q000379:methods; D006801:Humans; D007909:Lenses