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| visual_sensory [2025/08/17 11:44] admin | visual_sensory [2025/09/09 09:45] (current) admin | ||
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| # Visual Sensory | # Visual Sensory | ||
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| + | Characteristics of visual sensory processing include: visual acuity, contrast sensitivity, color vision, and night vision. | ||
| ## Red light will not destroy rods' dark adaptation | ## Red light will not destroy rods' dark adaptation | ||
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| {{::lcd_screen_readablility_in_sunlight.png?600|}} | {{::lcd_screen_readablility_in_sunlight.png?600|}} | ||
| {{::readability_and_contrast_ratio.png?600|}} | {{::readability_and_contrast_ratio.png?600|}} | ||
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| + | ## Black text on white background is easier to read | ||
| + | Because of certain asymmetries in the visual processing system, dark text on lighter background (“negative contrast”) also offers higher contrast sensitivity than light on dark (“positive contrast”). The disruptive tendency for white letters to spread out or “bleed” over a black background is called **irradiation** | ||