NATS 1870 FINAL EXAM REVIEW with complete solutions

through accommodation, your eye can change its refractive power to help it focus images by - ANSWERchanging 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 - ANSWERcornea 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 - ANSWERbe 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 - ANSWERtransduction (lesson 13) in what sense might we be using colours as symbols? - ANSWERcolours are symbols for different light stimuli (lesson 13) t or f: cones require brighter lighting conditions than rods to function - ANSWERtrue (lesson 13) without any blood vessels attached to them, and themselves composed of tightly packaged crystalline fibres, cornea and lens remain - ANSWERtransparent (lesson 13) what was the earliest form of vision like? - ANSWERin black and white only, using rods (lesson 13)