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Ability to See. How well you see in a situation depends upon (1) the presence and intensity of light, (2) the presence of obstructions, and (3) the proximity and size of the thing observed.​​

Light. The amount of light (see sources of light tablein an environment creates three categories of illumination:

  • Bright light lets most creatures see normally. 


Obstructions can interfere with vision (both quality of vision and maximum range).


If you have darkvision or another special sense, your reliance on light is less or non-existent. 

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