Inability to see as distinctly in a bright light as in reduced illumination; seen in patients with impaired cone function. SYN: day blindness, hemeranopia, night sight. [G. hemera, day, + alaos, obscure, + ops, eye]
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hem·er·a·lo·pia .hem-ə-rə-'lō-pē-ə n
1) a defect of vision characterized by reduced visual capacity in bright lights
2) NIGHT BLINDNESS not considered good medical usage in this sense
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n.
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hem·er·a·lo·pia (hem″ər-ə-loґpe-ə) [Gr. hēmera day + alaos blind + -opia] defective vision in a bright light; called also day blindness and night sight.Medical dictionary. 2011.