Chapter 6: Part 1 Flashcards
The visual spectrum is between _______ nm and _______ nm.
380 and 760
when it comes to hue, what it refers to?
wavelength of light
when it comes to the brightness, what does it refer to?
intensity of light
when it comes to saturation, it refers to?
purity of light
what are saccadic movements?
the rapid, jerky movement of the eyes used in scanning a scene
what is pursuit movement?
The movement that the eyes make to maintain an image of a moving object on the fovea. (following a doctors finger)
what is the sclera?
the white outer of most of the eye that doesn’t permit light into the eye
what is the cornea?
transparent layer in the outer layer at the front of the eye, allows light to enter
what is the pupil?
regulates the amount of light that enters the eye by changing size
what are the lens?
transparent onion like layers that allow the eyes to focus on images, process is known as accommodation
what is accommodation?
Changes in the thickness of the lens of the eye, accomplished by the ciliary muscles, that focus images of near or distant objects on the retina.