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They also learn to compensate for refraction. When they plunge into the water, the eyes are protected by a membrane. So they actually catch their prey blind, relying on touch to decide when to snap their bills shut. They then fly straight out of the water with their prey in their bills.
This was from the website:
http://www.naturia.per.sg/buloh/birds/Alcedo_atthis.htm
Wiki User
∙ 14y ago
Refraction is important for optic fibers because it allows light to travel down the fiber by constantly reflecting off the inner walls due to total internal reflection. This enables the transmission of light signals over long distances without significant loss of signal strength, making optic fibers an efficient means of transmitting data.
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Do fibers of the optic nerve synapse at lateral genticulates of the thalamus?
It is a true statement that fibers of the optic nerve synapse at lateral genticulates of the thalamus.
Can a pale optic disc get better?
No, once a pale optic disc develops, it typically does not improve. A pale optic disc is often a sign of damage to the optic nerve or loss of nerve fibers, which are irreversible. It is important to identify the underlying cause and manage any associated conditions to prevent further damage.
How many percent of the optic nerve fibers are responsible for light reflex?
Approximately 20% of the optic nerve fibers are responsible for the light reflex. These fibers are involved in transmitting the signal from the retina to the brain to regulate the constriction of the pupil in response to changes in light intensity.
Is the optic nerve a single nerve or a bunch of nerves connected?
The optic nerve is a single nerve formed by the convergence of many nerve fibers from the retina. These fibers carry visual information from the eye to the brain for processing.
What does optic chiasm mean literally?
Optic chiasm literally means "crossing of the optic nerves." It is the point in the brain where optic nerve fibers from each eye partially cross over to the opposite side of the brain, allowing visual information to be processed.
Place where optic nerve fibers cross in the brain?
the optic disk
Do fibers of the optic nerve synapse at lateral genticulates of the thalamus?
It is a true statement that fibers of the optic nerve synapse at lateral genticulates of the thalamus.
Are optic fibers easy to brake?
Yes
What is dark fibers?
In fiber optic communcations Dark Fiber or Unlit Fibers refers Unused fibers, available for use
What is the function of the optic chiasm?
The optic chiasm is a structure in the brain where some of the optic nerve fibers from each eye cross over to the opposite side of the brain. This crossover allows for the integration of visual information from both eyes and helps with depth perception and visual field processing.
Can a pale optic disc get better?
No, once a pale optic disc develops, it typically does not improve. A pale optic disc is often a sign of damage to the optic nerve or loss of nerve fibers, which are irreversible. It is important to identify the underlying cause and manage any associated conditions to prevent further damage.
The area where some fibers from the eye cross over to the opposite side is called the?
Each eye contains an optic nerve, as the meet at the optic chiasm, some of the nerve fibers cross over. This sensitive area is referred to as the optic nerve pathway crossover.
Optic fibers are that arer able to transmit light waves from one place to another?
transparent glass fibers
How many percent of the optic nerve fibers are responsible for light reflex?
Approximately 20% of the optic nerve fibers are responsible for the light reflex. These fibers are involved in transmitting the signal from the retina to the brain to regulate the constriction of the pupil in response to changes in light intensity.
What cranial nerves does not contain preganglionic parasympathetic fibers?
optic (II)
Branches of the optic nerve go directly to what areas of the brain?
Optic nerve have no branches.Any way fibers from optic nerve ultimately reaches visual cortex(occipital lobe).
How does the optic nerve work?
The optic nerve is a group of nerve fibers that function to provide vision. The optical never works by transferring electrical impulses to the brain from a part of the eyes known as the retina.
