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Simplifying Soft Torics - SECO2011.com

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FITTING TSLs – POWER DETERMINATION<br />

Vertex correction<br />

-4.50/-1.50 x 2 � -4.25/-1.25 x 180<br />

• � -4.00D subtract 0.25D<br />

� -6.00D subtract 0.50D<br />

Top<br />

Tip<br />

• Err towards lower cyl. power where<br />

necessary

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