Uncommon in humans, it is often an indicator of ocular disease, such as chronic
iritis or diffuse iris melanoma, but ...
In anatomy, the pigmented muscular curtain near the front of the eye, between
the cornea and the lens, that is perforated by an opening called the pupil. The iris
Dec 12, 2012 ... They show the complex and intricate textures hidden within the iris that give our
eyes our unique and enchanting character.
Function. The iris is the coloured part of the eye. In the middle of the iris is an
opening called the pupil that controls the amount of light entering the eye. The iris
Light focused by the cornea and crystalline lens (and limited by the iris and pupil)
then reaches the retina — the light-sensitive inner lining of the back of the eye.
Towards the front of the eye, the muscles of the iris (colored portion of the eye)
control the amount of light entering the eye. Pigments in the iris give it color.
Jul 17, 2011 ... How the Eye works to focus an image. Cornea, Iris and Lens structure and
function in detail. Iris color, Accommodation, Cataract. Photos and ...
Nov 19, 2013 ... Stephen Slade MD, cataract and LASIK specialist in Houston, Texas, www.
visiontexas.com and www.lasercataractsurgery.com, presents a ...
The iris is the most visible portion of the uveal tract, which is the middle
compartment of the eye. The iris is made up of blood vessels and connective
The iris of the human eye is unique in each individual. What makes it unique?
What is it made of? What does it do? Learn the answer to those...