eyestrain

== English == === Etymology === From eye +‎ strain. === Pronunciation === === Noun === eyestrain (countable and uncountable, plural eyestrains) (medicine, ophthalmology) Tiredness or pain in the eyes, sometimes accompanied by headache, caused by excessive or improper use of the eyes, or by uncorrected defects of vision. ==== Synonyms ==== asthenopia ==== Translations ====