A service of the U.S. National Library of Medicine 
National Institutes of Health
We are sorry. MedlinePlus no longer maintains the For Low Vision Users page.
You will still find health resources for low vision users at http://www.nlm.nih.gov/medlineplus/tutorial.html or http://nihseniorhealth.gov/.
If you have difficulties viewing web pages, you can try one of the following simple ways to adjust text sizes on your screen.
- Select View from your browser's tool bar, then select Text Size or Zoom to adjust text sizes.
- Hold down the Ctrl key on your keyboard and tap the + or - key to increase or decrease text sizes.
- Hold down the Ctrl or Command key on your keyboard, then move the wheel on your mouse to adjust text sizes.
