PSYCO104 Lecture Notes - Lecture 20: Visual Acuity, Vitamin A, Additive Color

• School: University of Alberta
• Department: Psychology
• Course: PSYCO104
• Professor: Claire Scavuzzo

Document Summary

Electromagnetic energy fluctuating electrical and magnetic waves. However this is not set, it can change based on diet. Also, other species such as butterflies can see the visible spectrum and uv light. Blue light scattered more by irises with less pigment. Muscle controls how much light enters the eye camera shutter. Limbal ring the outer ring of the eye that makes people more attractive. Pupil the hole that allows light to enter the eye. Closing the pupil could be from two scenarios. Pupillary reflex simultaneous in both eyes unless there is neurological damage. Dilation of the pupil could be caused by three scenarios. Arousal sexual, when you see an attractive person. It covers the iris and the pupil and edges onto the sclera to form the limbal ring. It also bends incoming light and focuses incoming visual image to the back of the eye. Lens also bends light to focus an image on the back of the eye.