Eye Pupil Size - Ask.com

Your pupils change size dependant on how much light they are getting, if they are getting lots if light then they decrease in size, as they are receiving too much light, so obviously when they don't get enough light they increase in size! F... Read More »

Source: http://wiki.answers.com/Q/How_and_why_do_the_pupils_in_your_eyes_...

What is the name of the coloured muscular diaphragms that surroun...

It's called the iris. Read More »

Source: http://wiki.answers.com/Q/What_is_the_name_of_the_coloured_muscul...

What would cause eye pupils to be different sizes?

If this is not a normal condition that has been present since birth it is often a ... Read More »

Source: http://www.chacha.com/question/what-would-cause-eye-pupils-to-be-...

How to Photograph the Eye, Iris or Pupil of a Human

There are many reasons someone might want to photograph an eye. The eyes express a lot of emotion and are often considered a work of art. A photograph of an eye is a great addition to a spread of photos in a collage. The eye is also used fo... Read More »

Source: http://www.ehow.com/how_6868776_photograph-eye_-iris-pupil-human....

Where is the pupil in your eye?

The pupil is the black center part of the eye. Read More »

Source: http://wiki.answers.com/Q/Where_is_the_pupil_in_your_eye

What is the eye pupil made of?

I think it's actually more like a hole. "The pupil is the sphere that is located in the center of the iris of the eye and that controls the amount of light that enters the eye.[1] It appears black because most of the light entering the pupi... Read More »

Source: http://wiki.answers.com/Q/What_is_the_eye_pupil_made_of