macula lutea

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A minute yellowish area containing the forea centralis located near the center of the retina of the eye at which visual perception is most acute. Also called yellow spot.

Wiktionary

1. n. macula (yellow spot in the human eye)

GNU Webster's 1913

1. n. A yellowish central area of the retina that is rich in cones.

WordNet 3.0

1. n. a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision