Vari+San Milano Reading Glasses 3.5 diopters are auxiliary glasses that help to facilitate reading 3.5 diopters. These glasses are suitable for people with presbyopia or eyestrain without astigmatism, they have a magnifying effect to facilitate vision. In order to avoid the symptoms of eyestrain, it is advisable to use glasses that allow correction of diopters.Vari+San Milano glasses have a synthetic resin frame with gray and green tones.Diopters: 3.5