NATS 1870 FINAL EXAM REVIEW

through accommodation, your eye can change its refractive power to help it focus images by - Answer changing the shape of the lens itself, via attached ciliary muscles contracting or relaxing it (lesson 13) we have blurry vision in water (such as in a swimming pool) because - Answer cornea itself is mostly made of water, reducing the difference in indices of refraction (lesson 13) a person born with no (functioning) retina in his eyes would - Answer be completely blind (lesson 13) although the eye and camera share the light capturing functionalities in common between them, the eye differs from a camera in another key subsequent functionality known as - Answer transduction (lesson 13) in what sense might we be using colours as symbols? - Answer colours are symbols for different light stimuli (lesson 13)