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Questions and Answers
_____ is the stimulation of the sensory receptors and the transmission of sensory information to the central nervous system.
_____ is the stimulation of the sensory receptors and the transmission of sensory information to the central nervous system.
Sensation
It is a portion of the body that has very high sensitivity to some particular kind of stimulus.
It is a portion of the body that has very high sensitivity to some particular kind of stimulus.
Sense organ
Nature of the stimulus that produces vision.
Nature of the stimulus that produces vision.
Light
The power to react to the stimuli
The power to react to the stimuli
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The ability to conduct and transport messages.
The ability to conduct and transport messages.
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The capacity to react to certain stimuli.
The capacity to react to certain stimuli.
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The eyes are found within a bony cavity called _____.
The eyes are found within a bony cavity called _____.
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Light travels first to the _____. A transparent protective window that is constantly washed by tears making it always clean.
Light travels first to the _____. A transparent protective window that is constantly washed by tears making it always clean.
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It is the colored part of the eyes.
It is the colored part of the eyes.
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A dark hole in the middle of the iris, in which light enters.
A dark hole in the middle of the iris, in which light enters.
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It is located behind the pupil, and acts to bend light to focus them on the retina.
It is located behind the pupil, and acts to bend light to focus them on the retina.
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The ____ is the part of the eyes that changes electromagnetic energy of light into useful information for the brain.
The ____ is the part of the eyes that changes electromagnetic energy of light into useful information for the brain.
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The two types of light sensitive receptor cells in the retina.
The two types of light sensitive receptor cells in the retina.
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The center of the retina is the _____, which is the point of the clearest vision in daylight.
The center of the retina is the _____, which is the point of the clearest vision in daylight.
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Light sensitive receptor that is responsible for twilight vision or light of low intensity.
Light sensitive receptor that is responsible for twilight vision or light of low intensity.
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Light sensitive receptors that are responsible for daylight vision and colors.
Light sensitive receptors that are responsible for daylight vision and colors.
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It is a bundle of ganglion cells at the back of the eyeball.
It is a bundle of ganglion cells at the back of the eyeball.
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It collects and summarizes visual information which are gathered and moved out of the back of the eyeball through a bundle of ganglion axons called optic nerve.
It collects and summarizes visual information which are gathered and moved out of the back of the eyeball through a bundle of ganglion axons called optic nerve.
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A point nearly between and behind the two eyes wherein the more impulses from the optic nerves are revered in the brain.
A point nearly between and behind the two eyes wherein the more impulses from the optic nerves are revered in the brain.
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Reddish purple substance that changes when energized by light causing a chemical reaction.
Reddish purple substance that changes when energized by light causing a chemical reaction.
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Deficiency in vitamin ___ causes the rhodopsin in the retina to lose its regenerative power.
Deficiency in vitamin ___ causes the rhodopsin in the retina to lose its regenerative power.
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This is caused by an abnormal long eyeball so that the image is focused in front of the retina.
This is caused by an abnormal long eyeball so that the image is focused in front of the retina.
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This happens when the eyeball is so short that the image is focused behind the retina.
This happens when the eyeball is so short that the image is focused behind the retina.
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This is the farsightedness of old age which is caused by the slow hardening of the lens.
This is the farsightedness of old age which is caused by the slow hardening of the lens.
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This is caused by the uneven curvature of the cornea.
This is caused by the uneven curvature of the cornea.
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It is a congenital farsightedness or defect in the eye muscles that caused unequal vision in the two eyes.
It is a congenital farsightedness or defect in the eye muscles that caused unequal vision in the two eyes.
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Cross eye can be corrected before the child turns ____.
Cross eye can be corrected before the child turns ____.
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The condition resulting from excessive use of tobacco or alcohol, or over exposure to light producing temporary or permanent blindspot.
The condition resulting from excessive use of tobacco or alcohol, or over exposure to light producing temporary or permanent blindspot.
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The part of the eyes where there are neither cones or rods.
The part of the eyes where there are neither cones or rods.
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