Vari+San Gafas Moderna 3.5 are auxiliary glasses that help to facilitate the reading of 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 diopter correction.Vari+San Moderna glasses have a black synthetic resin frame.Diopters: 3.5