Definition of macula in English:
noun (plural maculae /-liː/)
1 another term for macule.
- Numerous observational studies have examined the correlation between lutein and zeaxanthin concentrations in the macula, dietary intake, and macular degeneration.
- Visual acuity drops off rapidly outside the macula.
- But as the body ages, the importance of carotenoids in the macula may increase because of the lifelong exposure to damaging light.
1.1 (also macula lutea /ˈluːtɪə/) (plural maculae luteae /-tɪiː/) Anatomy An oval yellowish area surrounding the fovea near the centre of the retina in the eye, which is the region of keenest vision.
- The macula lutea or ‘yellow spot’ in the retina is responsible for central vision and visual acuity.
- When we gaze directly at an object, we hold our eyes in such a position that the image of the object falls on the central, specialized region of the retina - the fovea or macula - where visual acuity and colour vision are best.
- The vision loss results from loss of function of the macula, the centre of the retina, which is responsible for central visual tasks such as reading, driving, and recognising faces.
late Middle English: from Latin.
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