The VEPRO Trial: A Cross-Over Randomised Controlled Trial Comparing 2 Corrective Lenses for Patients With Presbyopia

Inclusion Criteria: * age 43 to 60 years old * outpatients wearing corrective lenses for presbyopia, referred to an optician within the last 6 months for a change in their optical correction * associated hyperopia or astigmatism, the required correction had to be ≤ 3 dioptres in that case * understanding, speaking French and able to answer a questionnaire Exclusion Criteria: * first prescription of corrective lenses for presbyopia * associated strabism * associated amblyopia * orthoptics therapy * associated anisometropia \> 1.5 dioptres * patients treated for diabetes