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WorksheetsThe Eye
Total questions: 20
Worksheet time: 20mins
#3 Refers to the circular structure that surrounds the pupil and regulates the amount of light entering the eye.
Cornea
Pupil
Retina
Iris
#7 Refers to the part of the eye that carried visual information from the eyeball to the brain
lens
optic nerve
retina
sclera
# 5 refers to the layer of receptor cells at the back of the eye in which the image is focused
Retina
Lens
Optic Nerve
Lens
The white part of the eye made of a tough material
lens
sclera
retina
optic nerve
The colorful part of the eye, controls light going into the pupil
lens
iris
sclera
retina
back of the eye, takes light and changes it to nerve signals
lens
sclera
optic nerve
retina
carries messages from the eye to the brain
lens
vitreous humor
retina
optic nerve
gel substance that gives the eye shape
optic nerve
iris
vitreous humor
retina
Radial muscles are one set of muscles involved in the iris reflex. Name the other set.
Circular muscles
Suspensory ligaments
Ciliary muscles
Biceps
'Adapting the eye to see different distances'
accomodation
adjustment
cornification
short sightedness
Ciliary muscles Contract up Close, so which image shows accomodation of nearby objects?
A
B
Neither
During accomodation, if ciliary muscles contract up close, what do they do accomodating objects far away?
Also contract
Relax
Why would the pupil get smaller in diameter?
To let in less light.
To let in more light.
To be selective over the wavelength of light that enters.
