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  2. Blind spot (vision) - Wikipedia

    en.wikipedia.org/wiki/Blind_spot_(vision)

    Distribution of rods and cones along a line passing through the fovea and the blind spot of a human eye [1]. A blind spot, scotoma, is an obscuration of the visual field.A particular blind spot known as the physiological blind spot, "blind point", or punctum caecum in medical literature, is the place in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the ...

  3. Fovea centralis - Wikipedia

    en.wikipedia.org/wiki/Fovea_centralis

    The fovea centralis is a small, central pit composed of closely packed cones in the eye.It is located in the center of the macula lutea of the retina. [1] [2]The fovea is responsible for sharp central vision (also called foveal vision), which is necessary in humans for activities for which visual detail is of primary importance, such as reading and driving.

  4. Punctum - Wikipedia

    en.wikipedia.org/wiki/Punctum

    Blind spot (vision), or punctum cecum, the blind spot in human vision corresponding to the location of the optic disk; Erb's point (neurology) or punctum nervosum, a nerve point in the human neck; Imperforate lacrimal punctum, a congenital disorder of dogs

  5. Cone cell - Wikipedia

    en.wikipedia.org/wiki/Cone_cell

    Illustration of the distribution of cone cells in the fovea of an individual with normal color vision (left), and a color blind (protanopic) retina. Note that the center of the fovea holds very few blue-sensitive cones. Distribution of rods and cones along a line passing through the fovea and the blind spot of a human eye [11]

  6. Arago spot - Wikipedia

    en.wikipedia.org/wiki/Arago_spot

    Notation for calculating the wave amplitude at point P 1 from a spherical point source at P 0.. At the heart of Fresnel's wave theory is the Huygens–Fresnel principle, which states that every unobstructed point of a wavefront becomes the source of a secondary spherical wavelet and that the amplitude of the optical field E at a point on the screen is given by the superposition of all those ...

  7. Why Did Aemond Burn Sharp Point in the ‘House of the ... - AOL

    www.aol.com/lifestyle/why-did-aemond-burn-sharp...

    Feeling enraged and hopeless now that Rhaenyra’s (Emma D’Arcy) new dragons pose more of a threat, Aemond takes Vhagar for a ride and sends a castle named Sharp Point up in flames as people ...

  8. 8 surprising ways your brain powers the rest of your body - AOL

    www.aol.com/8-surprising-ways-brain-powers...

    Your brain health matters! BrainHQ rewires the brain so you can think faster, focus better, and remember more. And that helps people feel happier, healthier, and more in control.

  9. Blind spot - Wikipedia

    en.wikipedia.org/wiki/Blind_spot

    Blind spot (vision), also known as the physiological blind spot, the specific scotoma in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the optic disc Optic disc , also known as the anatomical blind spot, the specific region of the retina where the optic nerve and blood vessels pass through to connect to ...