Schematic showing the macula. (IMAGE) NIH/National Eye Institute Caption Age-related macular degeneration affects the macula, the part of the retina that provides central vision. Credit National Eye Institute Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.