‘Rock Break’ is now available in RX. Build your custom pair of prescription 'Rock Break' by choosing between pink, blue, amber, smoke or clear lenses. Upgrade your lens by adding on polarization or blue light protection.
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To calculate your total power range, simply add the sphere and cylinder number together. You will have to repeat this for both eyes to ensure both prescriptions can be fulfilled.
For example if your sphere is -2.75 and your cylinder is -0.75 for your left eye, your total left eye power is -3.5. -2.75 + -0.75 = -3.5
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