hemeralopia

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hem·er·a·lo·pi·a

 (hĕm′ər-ə-lō′pē-ə)
n.
A visual defect characterized by the inability to see as clearly in bright light as in dim light.

[New Latin hēmeralōpia, from Greek hēmeralōps, suffering from hemeralopia : hēmera, day + alaos, blind + ōps, eye; see nyctalopia.]

hem′er·a·lop′ic (-lŏp′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hemeralopia

(ˌhɛmərəˈləʊpɪə)
n
(Pathology) inability to see clearly in bright light. Nontechnical name: day blindness Compare nyctalopia
[C18: New Latin, from Greek hēmeralōps, from hēmera day + alaos blind + ōps eye]
hemeralopic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

hem•er•a•lo•pi•a

(ˌhɛm ər əˈloʊ pi ə)

n.
a condition in which vision is normal in the night or in dim light but is abnormally poor or wholly absent in the day or in bright light.
[1700–10; < Greek hēmeralōp-, s. of hēmerálōps suffering from day blindness (hēmér(a) day + ala(ós) blind + -ōps having eyes of the kind specified; see Cyclops) + -ia; compare -opia]
hem`er•a•lop′ic (-ˈlɒp ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

hemeralopia

a condition of the eyes in which the sufferer can see clearly at night but has impaired vision during the day; day blindness.
See also: Eyes
the loss of sight in daylight. — hemeralopic, adj.
See also: Blindness
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hemeralopia - inability to see clearly in bright light
vision defect, visual defect, visual disorder, visual impairment - impairment of the sense of sight
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