HealthCentral.com

Home > Health Encyclopedia > Iris

Iris


From our partner site on diet & exercise, MyDietExercise.com.

InjuryDisease Nutrition Poison
SymptomsSurgery TestSpecial Topic
ABCDEFGHIJKLMNOPRSTUVWY
Iris
Iris
Overview

Iris

Definition:

The colored portion of the eye, the iris is membrane located between the cornea and lens. Its round, central opening (the pupil) regulates the entrance of light into the eye by contracting and dilating (expanding).
Symptoms Checker
New! Get alerts and insights on your specific health needs from our FREE NEWSLETTERS!
New! See Our Marketplace

What's New

Rheumatoid Arthritis Quiz Rheumatoid Arthritis Quiz
RA affects more than 1 million adults in the U.S. Test your rheumatoid arthritis knowledge with this quick quiz!  More 

HealthCentral Network
Health Sites


view all conditions see health library
 

Find a Therapist
Enter Zip Code

Powered by Psychology Today

Featured Advertiser Links

Books from Our Experts

 
 
 
Note: All clinical content on this site is physician-reviewed, except material generated by our community members.
Featuring Content From:
  • Harvard Health Publications
  • A.D.A.M.
  • HealthDay: News for Healthier Living
  • Thomson PDR
  • Ivanhoe Broadcast News

By using this service, you accept our Terms of Use. Please read them. The consumer health information on HealthCare08Central.com is for informational purposes only and is not a substitute for medical advice or treatment for any medical conditions. You should promptly seek professional medical care if you have any concern about your health, and you should always consult your physician before starting a fitness regimen. Copyright © 2005-2009. The HealthCentral Network, Inc. All rights reserved.

This website is accredited by Health On the Net Foundation. Click to verify.We comply with the HONcode standard for trustworthy health information: verify here.
  • TRUSTe Certified Privacy
  • Health Care Standard of Excellence
  • FREDDIE International Health and Medical Media Award Finalist