Macula lutea
Definition
When an eye is looking directly at an object, light rays from that object are focused on the macula lutea. This is a yellow oval spot ("lutea" is Latin for "yellow") at the center of the retina (back of the eye). The yellow color comes from the high concentration of lutein. It is the part of the retina that is responsible for sharp, detailed central vision (also called visual acuity). The macula lutea, also called fovea, contains a very high concentration of cones. These are the light-sensitive cells in the retina that give detailed central vision.
Alternative Names
Macula; Fovea; Yellow spot
References
Cioffi GA, Liebmann JM. Diseases of the visual system. In: Goldman L, Cooney KA. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 391.
Schubert HD. Structure of the neural retina and retinal pigment epithelium. In: Yanoff M, Duker JS, eds. Ophthalmology. 6th ed. Philadelphia, PA: Elsevier; 2023:chap 6.1.
Taber's Cyclopedic Medical Dictionary. 24th ed. Philadelphia, PA: F.A. Davis Company; 2021. www.tabers.com/tabersonline. Accessed November 29, 2023.
|
Review Date:
11/8/2023 Reviewed By: Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. |
All rights reserved.