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1.2 Visual Neurophys & Perception
2.1. Intro
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Cards (5)
Describe the nature of light.
Light is a wave with its colour governed by its wavelength.
Describe the
impact of the optics of the eye on the image that fallson the retina.
Light spreads out due to diffraction
,
aberrations and scattering.
Describe how
light
interacts with an object to produce the
colour
of the image that falls on the retina
The wavelength of
light
reflected determines the
colour
of theobject.
Describe how an adaptive optics system (these correct monochromatic aberrations) works.
Aberrations are corrected by a
mirror
that changes its shape to re-direct the rays so that they are
parallel
after reflection.
Explain why
adaptive
optics systems are used.
To image individual cells in the
eye
for early
disease
detection andto correlate structure and perception.
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