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  2. Lea test - Wikipedia

    en.wikipedia.org/wiki/Lea_test

    It is especially vital to assess a child's contrast sensitivity at a young age in order to determine the distance and accuracy with the child can distinguish facial features. A very popular test designed specifically for this reason is the "Hiding Heidi Low Contrast Face Pictures" test (which the LEA Vision Test System produces a version of.)

  3. Contrast (vision) - Wikipedia

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

    Contrast sensitivity is typically expressed as the reciprocal of the threshold contrast for detection of a given pattern (i.e., 1 ÷ contrast threshold). [15] Using the results of a contrast sensitivity exam, a contrast sensitivity curve can be plotted, with spatial frequency on the horizontal, and contrast threshold on the vertical axis.

  4. Infant visual development - Wikipedia

    en.wikipedia.org/wiki/Infant_visual_development

    The threshold for light sensitivity is much higher in infants compared to adults. From birth, the pupils of an infant remain constricted to limit the amount of entering light. In regards to pupil dimensions, newborns' pupils grow from approximately 2.2 mm to an adult length of 3.3 mm. [ 2 ] A one-month-old infant can detect a light threshold ...

  5. Binocular summation - Wikipedia

    en.wikipedia.org/wiki/Binocular_summation

    By combining the information received in each eye, binocular summation can improve visual acuity, contrast sensitivity, flicker perception, and brightness perception. [1] Though binocular summation generally enhances binocular vision, it can worsen binocular vision relative to monocular vision under certain conditions.

  6. Sensitometry - Wikipedia

    en.wikipedia.org/wiki/Sensitometry

    The telerecording film chain can be arranged to produce a direct negative-image film recording, a direct positive-image film recording, or a positive print can be made from the negative. In the first two cases we have the following four units in which local gamma or effective image contrast may be adjusted:

  7. How to politely ask people not to post your children's ...

    www.aol.com/politely-ask-people-not-post...

    As a parent, it’s up to you to protect your kids. Stop Facebook from using your data to train AI. Keep things drama-free. Save yourself an awkward situation by telling people before a big get ...

  8. When to Use Salted vs. Unsalted Butter, According to Our ...

    www.aol.com/salted-vs-unsalted-butter-according...

    The straight facts about our favorite fat. As a highly opinionated group, our team doesn’t always agree on some key culinary questions.

  9. Opponent process - Wikipedia

    en.wikipedia.org/wiki/Opponent_process

    Log-log plot of spatial contrast sensitivity functions for luminance and chromatic contrast [improve caption] The neurological conversion of color from LMS color space to the opponent process is believed to take place mostly in the lateral geniculate nucleus (LGN) of the thalamus, though it may also take place in the retina bipolar cells.

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