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17 questions
The ___________ gland produces and releases tears.
retina
refraction
lacrimal
choroid
The _________ allow eye movements, maintain the shape of the eye, and hold it in the orbit.
eye muscles
eye bones
cornea
lens
The ______________ is the transparent mucous membrane that lines the eyelids and covers the anterior surface of the eye up to the cornea.
iris
retina
vitreous humor
conjunctiva
The __________ is the innermost layer of the eye that contains sensory receptors that respond to light.
iris
retina
pupil
occipital lobe
The _________ is the middle layer of the eye, between the sclera and the retina, that contains a dark pigment which prevents light from scattering inside the eye.
choroid
vitreous humor
cornea
pupil
The ________ is the outermost white covering of the eye
conjunctiva
iris
lens
sclera
The ________ is the transparent covering over the iris and pupil through which light passes
lacrimal gland
lens
cornea
retina
The ______ is the opening in the iris through which light enters the eye.
ciliary body
conjunctiva
lens
pupil
The ______ is the colored part of the eye that opens and closes to adjust the amount of light that enters the eye.
pupil
iris
conjunctiva
lens
The _______ is the flexible, biconvex structure that focuses light.
retina
lens
pupil
iris
________ is/are the fluid that cleanses, protects, moistens, and lubricates the eye.
photoreceptors
aqueous humor
tears
vitreous humor
_________ hold the lens in place and help change the shape of the lens for focusing.
Suspensory ligaments
Photoreceptors
Tears
Lacrimal glands
________ is the watery fluid in the anterior chamber of the eye.
conjunctiva
fovea centralis
vitreous humor
aqueous humor
__________ is the gel-like fluid that fills the posterior chamber of the eye.
conjunctiva
aqueous humor
sclera
vitreous humor
___________ refers to the bending of light rays as they pass through a substance.
Reflection
Translucency
Refraction
Eye blink reflex
The ____________ are the cells that respond to light stimuli.
osteocytes
photoreceptors
myocytes
epithelia
The ______________ is the area of sharpest vision on the retina.
Fovea centralis
Lens
Sclera
Pupil
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