The Eye & Sight: How does it work in the normal eye? Jason S. Ng
Look at the chart and say the COLOUR, not the word. Your right brain tries to say the color, but your left brain insists on reading the word.
Look at th
NG: THE EYE & SIGHT: HOW DOES IT WORK IN THE NORMAL EYE 1. cornea is front, lens is behind pupil; cornea and lens both focus; cornea is 2/3's of eye power, lens is 1/3 2. lens yellows and stiffens, may get cloudycataract 3. sclera 4. through the pupil (h
NG 1. What is the cornea and lens of the eye? What comparative optical roles do they play. i.e. which provides the most optical power to focus light into the eye? 2. What changes with the crystalline lens of the eye with age? 3. What is the tough protecti
1/24/08 The Eye and Sight: How does it work in the normal eye? UV 400-700nm VIBGYOR IR
Light enters pupil Iris controls pupil size to control amount of light getting in Cornea-2/3's Lens-1/3 of power of the eye Both are transparent Fovea: dark spot at the
3 cones, long medium short, blue yellow red colorblind: miss one kind of cone light: leftright large distance: 20 ft laser: light in a straight line ways to bend light: water, magnifying it emmetropeia: perfect eye focusing (tear film, cornea, crystalline