The Fundamentals of GP Lenses Design and Fitting Disclosures GP ...
The Fundamentals of GP Lenses Design and Fitting Disclosures GP ...
The Fundamentals of GP Lenses Design and Fitting Disclosures GP ...
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Spherical <strong>Design</strong><br />
Step #3<br />
Lens Power<br />
1. Spherical<br />
overrefraction<br />
Toric <strong>Design</strong><br />
If the VA is not<br />
correctable to 20/20<br />
or BCVA<br />
2. Sphero-cylinder<br />
overrefraction<br />
Alignment<br />
Lens Power<br />
Steeper Than “K<br />
Flatter Than “K”<br />
Peripheral Lens <strong>Design</strong><br />
R<strong>GP</strong> Lens Periphery<br />
• Multipule Spherical Radii<br />
• Aspheric<br />
• Tangent<br />
9
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