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Your right eye has a +075 diopters spherical lens combined with a cylindrical with a power of -2.25 diopters and the axis of $180^{\circ}$ or horizontal. Your Left eye has a +1 spherical and a -2.25 cylindrical with its axis $10^{\circ}$ from the horizon. As a rule of thumb, prescription lenses can not be more powerful than about 10 diopters. They have to ...


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