hemeralopia
noun
hem·er·a·lo·pia
ˌhem-ə-rə-ˈlō-pē-ə 
1
: a defect of vision characterized by reduced visual capacity in bright lights
2
: night blindness
—not considered correct medical usage
Cite this Entry
“Hemeralopia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/hemeralopia. Accessed 5 Dec. 2025.
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