Dynamic optometer.
D000065:Accommodation, Ocular; D004582:Electronics, Medical; D006801:Humans; D007259:Infrared Rays; D007908:Lens, Crystalline / Q000502:physiology*; D055095:Optics and Photonics; D009907:Optometry / Q000295:instrumentation*; D010775:Photic Stimulation; D012029:Refraction, Ocular