light reflex(n = noun.act) miosis, myosis, pupillary reflex - reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller;
is a kind of inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex

accommodation reflex, acquired reflex, anchor light, arc light, auld light, babinski reflex, beacon light, beam of light, bengal light, brake light, bring to light, bude light, calcium light, city of light, coherent light, come to light, conditional reflex, conditioned reflex, corpuscular theory of light, defecation reflex, electric light, electrical light, fairy light, finsen light, first light, gag reflex, green light, guiding light, idiot light, inborn reflex, infrared light, innate reflex, inner light, instinctive reflex, klieg light, knee-jerk reflex, laser light, leading light, light, light adaptation, light air, light arm, light ballast, light beam, light beer, light bread, light breeze, light brown, light bulb, light circuit, light colonel, light company, light cream, light diet, light filter, light flyweight, light footed, light heavyweight, light hour, light intensity, light into, light machine gun, light meter, light microscope, light middleweight, light minute, light opera, light out, light pen, light reaction, light second, light show, light source, light speed, light time, light touch, light unit, light up, light upon, light welterweight, light whipping cream, light within, light year, lime light, make light of, micturition reflex, moro reflex, myotactic reflex, navigation light, one-way light time, oxyhydrogen light, panel light, patellar reflex, pharyngeal reflex, pilomotor reflex, pilot light, plantar reflex, pupillary reflex, ray of light, rear light, rectal reflex, red light, red light district, reflex, reflex action, reflex angle, reflex arc, reflex camera, reflex epilepsy, riding light, room light, rooting reflex, round-trip light time, running light, saint elmo's light, saint ulmo's light, see the light, shaft of light, shed light on, signal light, speed of light, startle reflex, stop light, stretch reflex, strobe light, suckling reflex, sweetness and light, theater light, traffic light, trip the light fantastic, trip the light fantastic toe, ultraviolet light, unconditioned reflex, very light, vigil light, visible light, warning light, wave theory of light, wax light, yellow light, zircon light, zodiacal light