title: Two dimensional eye movement recording using a photo-electric matrix method.
mesh_terms: D004581:Electronics / Q000295:instrumentation*; D005133:Eye Movements; D005139:Eyeglasses; D006801:Humans; D007498:Iris; D008722:Methods; D010783:Photometry / Q000295:instrumentation*; D012399:Rotation; D012590:Sclera; D014159:Transducers