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Glare zones

For horizontal task vision (seated, eyes downward for reading), a diffuser output emphasizing this range would minimize both direct and reflected glare discomfort:
0-45 degrees
30-60 degrees
45-85 degrees
Answer30-60degrees. Most vision of this type takes place from 20-40degrees from vertical. 0-45deg. is the reflected glare zone and 45-85deg. is the direct glare zone.

ARE 4.0 exam prep: BS

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