A multipurpose optical system for  ophthalmic electrodiagnosis.
D000221:Adaptation, Ocular; D004585:Electrooculography / Q000295:instrumentation*; D004596:Electroretinography / Q000295:instrumentation*; D005071:Evoked Potentials; D006801:Humans; D008722:Methods; D009799:Ocular Physiological Phenomena; D010775:Photic Stimulation; D014787:Vision Tests / Q000295:instrumentation*; D014794:Visual Fields