asthenopia or aesthenopia

Term: asthenopia or aesthenopia

Literally meaning: “weak vision”

Origin: Anc Greek

α-/a (privative, “non”)

+σθένος/sthenos(=vigor)

+ όψις or όπις/opis (=sight, eye) > όπωπα /opopa(=present perfect of verb “οράω”/orao(=see)

Coined/History 

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Definition

Asthenopia or eye strain is an ophthalmological condition in which is observed eye fatigue or tiredness.