Questions & Answers about Naprezanje očiju je problem.
Naprezanje is a verbal noun (a noun made from a verb). It comes from the verb naprezati (se) / napregnuti (se), which relates to straining, exerting, or putting under stress.
So naprezanje očiju literally means straining of the eyes, which English usually expresses as eye strain.
Because naprezanje is followed by a noun in the genitive case to show what is being strained.
- oči = eyes (dictionary/basic plural form, nominative)
- očiju = of the eyes (genitive plural)
So:
- naprezanje očiju = straining of the eyes / eye strain
This genitive structure is very common in Croatian.