Χαμογελαστός δάσκαλος σε προστατευτικά γυαλιά στέκεται με σταυρωτά χέρια μπροστά από τους μαθητές κατά τη διάρκεια του μαθήματος χημείας - Φωτογραφίες & Εικόνες Αρχείου

Smiling teacher in protective goggles standing with crossed arms in front of pupils during chemistry lesson

Smiling teacher in protective goggles standing in front of pupils during chemistry lesson

Dentists checking patient teeth in modern clinic

Female optometrist with lenses for trial frame while colleague examining kid with visual field test

Handsome young dentist showing tablet to female client

Doctor in uniform and eyeglasses making injection in training pad near medical equipment and multiethnic students in white coats, emergency preparedness and skills development concept

Female ophthalmologist with lenses for trial frame while colleague examining kid with visual field test

Female optometrist holding lenses for trial frame while colleague examining kid with visual field test

Optician holding lenses for trial frame while colleague examining kid with visual field test

Smiling ophthalmologist holding lenses for trial frame while colleague examining kid with visual field test