_____ of all sensory receptors found in the human body are in the _______.
The cerebral cortex involved with visual perception (visual cortex)
The occipital of the cerebral cortex relays the information to the ___________ (side) and __________ lobes.
Parietal and temporal
Ability to interpret information and surrounding from the effects of visible light reaching the eyes
Very small portion of the EM spectrum
Each wavelength is an energy "packet" called ____________
Rods and cones detect
Photon the energy packet travel at
We dont see with our eyes but our _______!
Light entering the eye travels through
cornea --> Aqueous humor --> pupil --> lens --> Vitreous humor --> rods and cones of retina --> Optic nerve --> brain --> Interprets it into a picture
bending of light ray when light passes from one transparent medium to another
Refraction occurs in the ________.
Light passing through the cornea and the convex lens is _________ and ________.
inverted and reversed
Refraction and the eye are directed to the _________.
Greater refractive ability than the lens
Focusing for close vision the eye is _______ focus
Focusing for close vision, light from a close object __________ as it approaches the eye
Focusing for close vision, it requires the eye to make
Changing the lens shape to refractory lens is known as _______________.
We have ____ accommodations
During the accommodation __________, the Ciliary muscles "contracts" causing the lens to become more convex.
of the lens
The lens becomes more _________ when its more rounded and the refraction increase
During the accommodation ______________ the pupils "Constrict" preventing extreme divergent light rays from entering the eye.
This accommodation the medial rotation of the eye balls go toward the object being viewe
convergence of the eyeball
Our eyes best adapted for _________ vision of ______ feet or more
During distant vision the ciliary muscles _________. Lens convexity ___________ and the lens _________________. Refraction __________
relax/ decreases/becomes more flatten/ decrease
Rods and cones are
Photoreceptors are modified
Molecules that change and shape as they absorb light is called