Estudiante con problemas de vista que sufre fatiga visual al aire libre en un campus universitario - Foto e imágenes de stock

Worried and sad student female searching information in a laptop on line in a desk at home room

Frustrated female sitting at computer eyes closed

Tired woman during work in office

Beautiful young lady with a notebook in a summer cafe

Single frustrated student trying to understand on line tutorials in a laptop sitting in a restaurant

Business woman feel sick while working with laptop isolated over white background

Overwhelmed student e-learning complaining looking at notes in a coffee shop

Stressed student woman memorizing on laptop studying sitting on a desk at home

Tired teen using a laptop on a desk in the living room at home

Tired overworked freelancer working with a laptop in an office or home

Frustrated intern trying to work on line with a laptop in a difficult assignment in a desktop with an office background

Tired worker woman suffering eyestrain working on line sitting in a coffee shop

Fatigued woman suffering eyestrain working with a laprop sitting in a coffee shop

Worried woman crossing fingers checking on line content in a laptop at home