Resources When am I supposed to change my training glasses? FAQ n. 4. Power Vision System -When am I supposed to change my training glasses? When am I supposed to train with reading, focusing with higher dioptric power lenses on the training glasses? - Answers David De Angelis The right moment to change the lenses and wear higher dioptric power ones (for example, myopes from +1 to +2, and hyperopes from –1 to –2) is when the text is in focus while holding your reading material with completely extended arms and wearing your old training glasses. The load—the lenses themselves—aren’t a training load anymore because they aren’t strong enough to create the slight “fogging” that is the most important and basic part of stimulating focusing. For hyperopes, when the text is in focus, at too short a distance, use a negative lens or an undercorrection and do defocus training at an higher distance. The solution is to move to a higher dioptric power training lens. Back

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