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Power Loss - Underpowered by Prescription Variations

Below the results of lab tests on power loss on a leading polycarbonate lens and a new RESOLUTION lens (-4.00 power lenses). The power maps show the difference between lens prescription and actual power accuracy throughout the lens.

Power measurements were made in polar coordinates across the aperture of the lens blanks. Measurements were made in 11 points on a straight line from side to side, at 18-degree increments for a total of 110 measurements in the aperture. These measurements were then translated into a graphical representation shown below.

Lab tests indicate that there is a direct correlation between increased stress/birefringence and the increased irregularity of the power of the stressed region of the lens. New RESOLUTION lenses are made using new technology which does not rely on injection molding, a process that introduces stress into the lens. Therefore with RESOLUTION lenses power accuracy can be achieved to a remarkable -.02 throughout the entire lens. The power you prescribe, is the power your patient gets.

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© 2000 Optima Inc. / Rev. 11/29/00/ E-mail: mail@resolutionlenses.com / 800 621-1216

© 2000 Optima Inc.