How many photons per second emerge from a laser of power 
with wavelength 
(c = 3.00 × 108 m/s,h = 6.626 × 10-34 J • s)
Definitions:
Vision
The process by which organisms interpret and organize visual information from the environment, enabling perception.
William Dobelle
An American biomedical researcher known for his work on artificial vision systems for the blind.
Dim Light
A low level of illumination that makes it difficult to see, often creating an ambiance or used to signify nighttime.
Periphery
The outer limit or edge of an area or object, often referring to regions or elements not central to the main focus.
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