Spanish translation of “optician”
optician noun /opˈtiʃən/
› a person who makes and sells spectacles and optical instruments
The optician mended my spectacles. optical /ˈoptikəl/ adjective › of or concerning sight or what one sees
The two objects in the picture appear to be the same size, but this is just an optical illusion (= they are not actually the same size) microscopes and other optical instruments.