Head-mounted eye-marker camera.
D004864:Equipment and Supplies; D006257:Head; D006801:Humans; D009799:Ocular Physiological Phenomena; D009885:Ophthalmology / Q000600:supply & distribution*; D010781:Photography / Q000600:supply & distribution*
EYE/physiology; OPHTHALMOLOGY/equipment and supplies; PHOTOGRAPHY/equipment and supplies