Nov. 12 pt.1 Flashcards
1
Q
vision can artificially be divided into these three steps
A
- Focus of light on retina 2. Conversion of light stimulus to electrial signals 3. Processing of visual information both inside retina and brain
2
Q
vision may be described as the most complex sense b/c it involves these elements
A
shape, form, and color speed 3D
3
Q
what is light
A
a form of energy and electromagnetic wave
4
Q
visible spectrum wavelengths span
A
400nm-700nm
5
Q
EMS wavelengths span
A
10^-3nm - 10^15nm
6
Q
Why can we only visualize such narrow range of light?
A
photoreceptors can only be excited by this range
7
Q
pathway light takes to retina
A
cornea, lens, vitreous chamber
8
Q
role of lens
A
focus light on retina
9
Q
draw the layers of the retina, including direction light travels :)
A
