Related Items   from Encarta  
Vision
Eye
Light
Sense Organs
Three-Dimensional Image
animal vision
astronaut requirements
brain’s involvement in vision
color vision
Columbus’s failing eyesight
correction of vision disorders
disorders affecting vision
dream state
effects of aging
medieval idea about vision
perceptions
physiological changes
pictures related to vision
quotations
research and study
units of measure
visual impairments
Eye (anatomy)
Eye (anatomy), light-sensitive organ of vision in animals. The eyes of various species vary from simple structures that are capable only of...
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