contact us | privacy policy
printer friendly

Iris

From DrKoop's partner site on diet and exercise, MyDietExercise.com
InjuryDiseasesNutritionPoison
SymptomsSurgeryTestSpecial Topic
Overview Prevention
Iris
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).


Information


Review Date: 08/11/2005
Reviewed By: Edward B. Feinberg, MD, MPH, Professor and Chair, Department of Ophthalmology, Boston University School of Medicine, Boston, MA. Review provided by VeriMed Healthcare Network.

Visit Our Health Centers

What's HOT

Find a Therapist

Powered by Psychology Today


PR Newswire





Privacy Policy | Contact Us | Disclaimer

The drkoop.com URL and web site are not associated with C. Everett Koop, M.D., former Surgeon General of the United States.

By using this service, you accept our Terms of Use. Please read them. The consumer health information on drkoop.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 © 2004-2008. The HealthCentral Network, Inc. All rights reserved.