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A double pupil is a condition a person may be born with. There is a smaller pupil or opening adjacent to the normal pupil. It is still located within the iris and does not affect one's vision. This in old times was known as a "witch's eye".
Thank you,
Matt E.
Wiki User
∙ 2008-02-03 15:04:13
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Why are blood vessels in iris spiralled?
To enable adequate movement during mydriasis (dilation of the pupil) and miosis (pupil closing).
What happens to your pupil when in a light room?
it gets bigger
Why are everyones pupil black?
The choroid layer in the eye has a black color pigment on it. Also, the light entering the eye is not reflected because light rays entering the pupil are absorbed by the tissues inside the eye.
Why does the pupil of your eye go red when in a photograph?
The pupil of the eye appears red in some photographs because the light from the camera flash reflects off of the retina at the back of the eye. The light reflects red because of the blood vessels at the back of the eye. This light sometimes comes back out of the pupil and shines through the lenses of the camera. This can be prevented with a red-eye reduction feature of the camera. This will give a couple warning flashes before the picture is taken, causing the pupil opening to narrow and thus reducing the chances of light reflecting back out of the eye.
When did Leonardo da Vinci start his first art?
In the workshop of Verrocchio, where Leonardo was a pupil/assistant, about 1470.
What is the possessive noun for pupil?
Pupil's The pupil's mother came to school.
What is the homograph for pupil?
Pupil
What is the homograph word for pupil?
Pupil
When your pupil changes sizes what is it called?
Myosis = contraction of the pupil Mydriasis = dilation of the pupil
Is a student a Pupil?
Yes, a student is a pupil.
What is the plural of pupil?
The plural of pupil is pupils.
How do you use pupil in a sentence?
the pupil is in the classroom
What is the apostrophe of pupil Questions?
The word pupil is a common singular noun. It requires no apostrophe.The pupil looked bored.If the word pupil has a possession or belonging, it needs an apostrophe.The pupil's questions challenged me.The principal was amazed at the pupil's insightful questions.
What controls the size of the pupil?
The iris controls the size of the pupil; the bigger the pupil, the more light enters the retina; the smaller the pupil, the less light.
Which is correct pupils or pupil's?
Pupils is the plural of pupil. for instance " The school has many pupils". Pupil's is used to describe ownership of an item(s) which belongs to a pupil. "The pupil's satchel was left hanging on the hook". In this example the satchel belongs to the pupil therefore it has an aspotrophe in it.
What is two meanings for pupil?
1.Pupil: The black circle in your eye. 2.Pupil: A school student
Is pupil a common noun?
Yes, pupil is a common noun, a general word for any pupil anywhere.
