asthenopic

as·the·no·pi·a

[as-thuh-noh-pee-uh]
noun Ophthalmology.
a fatigue or tiring of the eyes, usually characterized by discomfort, dimness of vision, and headache, caused by overuse of the visual organs, dysfunction of the ocular muscles, and incorrect refraction.

Origin:
< Greek asthen(ḗs) frail (see asthenia) + -opia

as·the·nop·ic [as-thuh-nop-ik] , adjective
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asthenopia (ˌæsθɪˈnəʊpɪə) [Click for IPA pronunciation guide]
 
n
a technical name for eyestrain
 
[C19: from New Latin, from Greek asthenēs weak (from a-1 + sthenos strength) + ōps eye]
 
asthenopic
 
adj

00:10
Asthenopic is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
asthenopia (ˌæsθɪˈnəʊpɪə) [Click for IPA pronunciation guide]
 
n
a technical name for eyestrain
 
[C19: from New Latin, from Greek asthenēs weak (from a-1 + sthenos strength) + ōps eye]
 
asthenopic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

asthenopia as·the·no·pi·a (ās'thə-nō'pē-ə)
n.
See eyestrain.


as'the·nop'ic (-nŏp'ĭk) adj.

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