| D007909 |
Lenses |
Pieces of glass or other transparent materials used for magnification or increased visual acuity. |
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| D008027 |
Light |
That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range. |
Light, Visible,Photoradiation,Radiation, Visible,Visible Radiation,Photoradiations,Radiations, Visible,Visible Light,Visible Radiations |
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| D008875 |
Middle Aged |
An adult aged 45 - 64 years. |
Middle Age |
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| D003118 |
Color Perception |
Mental processing of chromatic signals (COLOR VISION) from the eye by the VISUAL CORTEX where they are converted into symbolic representations. Color perception involves numerous neurons, and is influenced not only by the distribution of wavelengths from the viewed object, but also by its background color and brightness contrast at its boundary. |
Color Perceptions,Perception, Color,Perceptions, Color |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000328 |
Adult |
A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. |
Adults |
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| D014787 |
Vision Tests |
A series of tests used to assess various functions of the eyes. |
Test, Vision,Tests, Vision,Vision Test |
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| D014796 |
Visual Perception |
The selecting and organizing of visual stimuli based on the individual's past experience. |
Visual Processing,Perception, Visual,Processing, Visual |
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