Effectiveness of Myopia Control Interventions : A Comparison of Myopia Control in European Children, Adolescents and Young Adults With Defocus Incorporated Multiple Segments (DIMS) and Highly Aspherical Lenslets (HAL) Spectacles, Atropine, Lenses and Combined Treatments

Demographic data collection: age, gender, level of education/study, time spent in near vision, sports practice, medical history

Ophthalmological history: age of myopia discovery, parental refraction, previous refractions, presence of a braking treatment

Ophthalmological data at each examination: visual acuity, subjective refraction, cycloplegia with SKIACOL, axial length.

Potential adverse events: halos, photophobia, stinging, infections, etc.