macula
2
9.6
- noun
- /ˈmæk.jə.lə/
- Specialized
:
mácula
- Lesions not affecting the central macula are often asymptomatic.
- found in the macula
Examples
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Dry ARMD accounts for over ninety percent of all ARMD cases and is associated with atrophy of the macula.
Academic text (2008) -
The macula plays a key role in the central part of visual images.
Academic text (2003) -
I have a macula pucker.
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The macula, found in the central region of the retina, is responsible for visual perception.
Academic text (2008) -
The focus is on a 3-millimeter-wide yellow spot, called the macula lutea, toward the back and center of the eye.
Academic text (2003) -
Johnson believes meso zeaxanthin could actually be formed from lutein once it's inside the macula itself.
Academic text (2003) -
Scientists have long known that the yellow color, or pigment, inside the macula comes from the carotenoids lutein and zeaxanthin.
Academic text (2003) -
As blood passes by the macula through retinal blood vessels, these pigments pass through the macula's outer layer to rest in high concentrations inside its center.
Academic text (2003) -
Thus, in the presence of central vision loss, the peripheral retina could convey fine details that are normally detected by the macula and fovea, allowing the visual cortex to generate a clear, detailed representation of the visually presented external scenes.
Academic text (2007) -
Damage to the macula results in loss of central vision; peripheral vision remains clear.
Synonyms
A small yellow area near the center of the retina that gives sharp central vision
A small yellow area at the center of the back of the eye that gives sharp central vision
A small yellow area at the back of the eye that gives clear central vision
Compounds
- Specialized
A small yellow area near the center of the retina that gives sharp central vision
Surface Forms
Etymology
Macula comes from the Latin macula meaning 'spot', and in the eye it names the small central 'spot' on the retina that gives your sharp, detailed vision. So the eye's macula is literally the 'spot' you use to see fine detail.