The Eye
What is the hole that allows light to pass through it called?
Pupil
The pupil is the same as what part of a camera?
aperture
The cones are photoreceptors that are highly sensitive to what?
Colours
Most insects and coruscations have what kind of eyes?
Compound eyes
What is a pixel?
An individual square or dot or dot on a digital image
What is the colored part of the eye?
Iris
The iris is the same as what part of a camera?
Diaphragm
The rods are photoreceptors that are highly sensitive to what?
Light
Name 2 things that have compound eyes?
Fly, Shrimp, Bee, etc...
What is a disadvantage of a compound eye?
Poor image quality
What is the clear outer covering of the eye?
Cornea
The retina is the same as what part of a camera?
Film
What is nearsightedness?
You cannot see things that are far away very well
What is a compound eye?
An eye that is made up of many smaller units called ommatidium's
What is an advantage of a compound eye?
Detects motion in ALL directions
The photoreceptors that are sensitive to light and colour?
Retina
The eyelid is the same as what part of a camera?
The Shutter
What is farsightedness?
You can not see things close up very well.
Name 2 organisms that have camera eyes
Human, dog, bird, etc...
What is the part of a digital camera that converts light into digital information?
Charged-coupled device (CCD)
The group of cells that transmit information from the eye to the brain?
Optic nerve
The lens is the same as what part of a camera?
Lens
What is a persons blind spot?
A place on the retina where there are no photoreceptors
What is a ommatidium?
Individual unit of a compound eye
Why do higher resolution pictures look better than lower resolution pictures? (Think pixels)
They have more pixels