Unformatted text preview: ectromagnetic radiation
What strikes the eye? Pulses of electromagnetic
Described in wavelengths (nanometers)
– Visible light: 400-700 nanometers Vision Cornea
•Focuses light on retina
(fovea: ____________ Iris: coloured part
•Ring of muscles
•Opening in center of
•Controls amount of
light entering eye Vision
pupil & iris
•Fine tunes focus of
structures the eye Menu Focusing The Image The same size object will produce different
images sizes depending on its distance.
Closer objects produce larger retinal
Retina 1. Light sensitive surface on the
back of the eye;
A multilayered structure
Receptor cells (...
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This note was uploaded on 01/29/2013 for the course MATH 103 taught by Professor Mr.phill during the Fall '11 term at Hong Kong Baptist University, China.
- Fall '11