Startling noise and resting refractive state.
D000065:Accommodation, Ocular / Q000502:physiology*; D000293:Adolescent; D000328:Adult; D005133:Eye Movements; D006801:Humans; D006956:Hyperopia / Q000209:etiology; D008297:Male; D009216:Myopia / Q000209:etiology; D009622:Noise; D012018:Reflex / Q000502:physiology*; D013216:Reflex, Startle / Q000502:physiology; D012029:Refraction, Ocular / Q000295:instrumentation