Parts of the eye - pupil?!
Question: Is the pupil just the black 'dot' in the middle of your eye? If so, what's the circle that defines your eye colour around your pupil?
Or is the pupil the whole thing, the black dot AND the surrounding circle?
For years, I thought the surrounding 'circle' was called the iris, but I looked it up recently and realised that I'm wrong and now I don't know what it's called...
Help?
Answers: Is the pupil just the black 'dot' in the middle of your eye? If so, what's the circle that defines your eye colour around your pupil?
Or is the pupil the whole thing, the black dot AND the surrounding circle?
For years, I thought the surrounding 'circle' was called the iris, but I looked it up recently and realised that I'm wrong and now I don't know what it's called...
Help?
PUPIL = Black hole or aperture
IRIS = Coloured part of the eye (blue/brown etc)
IRIS SPHINCTER = Iris muscles creating the iris to dilate/constrict
CORNEA = Transparent part of the front of the eye
SCLERA = White of the eye
CONJUNCTIVA = transparent membrane on the front of the eye
The black dot is the pupil, the colored part is the iris.
the pupil is the black hole in the centre
the iris is the coloured donut surrounding the black dot (pupil)
whoever told u the coloured area isnt the iris is talking out of their @$$
Yes the black dot is the pupil, but it is the pupil ONLY. the coloured part of your eye is called the cornea. the iris is on the inside of your eye. hope that clears things up :)
Yes, the black part is your pupil. The coloured section is your iris. Its true that the cornea is on the outside while the iris is on the inside, but the cornea is transparent. The white that surrounds the iris is your sclera.
The pupil is the opening in the iris through which light enters deep into the eye.
The iris is not "a muscle": it is a vascular and pigmentary structure which contains two sets of muscles. One radial (dilator) with sympathetic nerves which enlarge the pupil, and one circular (sphincter) with parasympathetic nerves which constricts it.
The coloured part of the eye is the iris, it does contain 2 sets of muscles. 1 set pulls the iris tight making the pupil (the hole in the middle of the iris) get bigger. The other set of muscles pull the iris so the pupil gets smaller. The pupil size changes to control the light getting into your eye.
The pupil is a hole that lets light into the eye. The cornea is a clear "window" that covers the iris and pupil like a dome. It is there to stop the fluid inside the eye from coming out.