MSN Health & Fitness

Vision News

Laser Eye Surgery Safe Long-Term: Study
Cataract Surgery Doesn't Worsen Macular Degeneration: Study
Scientist Throws Curve Into Breaking-Ball Debate
Takes a Pro to Make Offices Pain-Free

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Common Questions

How Can I Prevent Vision Loss?
How Do I Care for My Contact Lenses?
Does My Child Need Glasses?
How Does LASIK Eye Surgery Work?

Symptom Checker// © MSN Health & Fitness

LASIK Longevity//© Creatas /Photolibrary

steps to better vision

Finding an Eye Doctor
Vision Tests
Do You Have Poor 'Eye-Q'?
Your Child's Vision

What is vision?

The visual system is the part of the nervous system which allows organisms to see. It interprets the information from visible light to build a representation of the world surrounding the body. The visual system has the complex task of constructing a three dimensional world from a two dimensional projection.