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macula    
n. 斑点,污点,黑点,太阳黑子,斑疹

斑点,污点,黑点,太阳黑子,斑疹

macula
n 1: a cooler darker spot appearing periodically on the sun's
photosphere; associated with a strong magnetic field [synonym:
{sunspot}, {macula}]
2: a small yellowish central area of the retina that is rich in
cones and that mediates clear detailed vision [synonym: {macula},
{macula lutea}, {macular area}, {yellow spot}]
3: a patch of skin that is discolored but not usually elevated;
caused by various diseases [synonym: {macule}, {macula}]


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  • Macula - Wikipedia
    The macula ( ˈmækjʊlə ), [1] in full macula lutea, is an oval-shaped pigmented area in the center of the retina of the human eye and in other animals The macula in humans has a diameter of around 5 5 mm (0 22 in) and is subdivided into the umbo, foveola, foveal avascular zone, fovea, parafovea, and perifovea areas
  • Macula - American Academy of Ophthalmology
    The macula is a small but important area in the center of the retina You need the macula to clearly see details of objects in front of you, like faces and written text
  • Macular Degeneration: Symptoms, Diagnosis Treatment
    Macular degeneration is a leading cause of vision loss among older adults It can be treated but not cured
  • What is the macula? Why is it important? - Macular Society
    The macula is part of the retina at the back of the eye It’s only about 5mm across, but is responsible for our central vision, most of our colour vision and the fine detail of what we see Damage to the macula can dramatically affect your sight Learn more about what the macula is and why it is so important
  • Macula Lutea - All About Vision
    The macula (or macula lutea) is the most sensitive part of the retina It’s responsible for visual acuity, central vision and color vision Learn more
  • Macula, Optic Nerve, and More: A Guided Tour of Key Retinal Structures
    These key parts of the retina include the macula, optic nerve, peripheral retina, and blood vessels Macula The macula is the small but powerful part of the retina responsible for your central vision It helps you read, recognize faces, and see fine details and colors
  • What Does a Normal Macula Look Like in the Eye?
    The macula is a small, specialized area in the center of the retina, the light-sensitive tissue at the back of the eye Measuring about 5 millimeters across, this oval-shaped, pigmented region is important for clear vision It is often referred to as the macula lutea due to its yellowish appearance The Function of the Macula The macula is responsible for providing sharp, clear, and straight





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