Illum-ed - IE 327 Introduction to Work Design Dr. Andris...

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IE 327 1 IE 327 Introduction to Work Design Dr. Andris Freivalds Class #9
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IE 327 2 Ch. 6 - Work Environment Design Illumination and Vision Eye and conversion of light to image Cornea Aqueous humor Lens Vitreous humor Photoreceptors Optic nerve, brain Blind spot (no photoreceptors)
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IE 327 3 Photoreceptors Rods Cones Night vision Black and white Periphery 130 million Poor visual acuity Day vision Color Fovea 6 million Excellent visual acuity
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IE 327 4 Accommodation Far vision Near vision Myopia (near sightedness) Hyperopia (far sightedness) Resting focus
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IE 327 5 Visual Acuity Visual angle (arc min) = 3438 H/D 20/20 (Normal) 20/40 20/200 (Legally blind)
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IE 327 6 Other Visual Attributes Dark adaptation (night vision) Color vision Trichromatic theory Color blindness
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IE 327 7 Measurement of Light Illumination (fc) = cp/d 2 Luminance (fL) = ill (fc) x reflect Reflectance = 0.9 x test-lum white-lum
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This note was uploaded on 05/04/2010 for the course I E 327 taught by Professor Staff during the Spring '08 term at Pennsylvania State University, University Park.

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Illum-ed - IE 327 Introduction to Work Design Dr. Andris...

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