Simplifying Soft Torics - SECO2011.com
Simplifying Soft Torics - SECO2011.com
Simplifying Soft Torics - SECO2011.com
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<strong>Soft</strong> Toric Lens Fitting – The Simpler Way<br />
BACKGROUND<br />
Astigmatism and its prevalence<br />
A short history of toric soft lenses (TSLs).<br />
Who to fit with TSLs<br />
TORIC SOFT LENS (TSL) DESIGNS<br />
Methods of stabilization<br />
Factors affecting stabilization<br />
Branded toric soft designs<br />
FITTING TSLs - PREPARATION<br />
Empirical vs. diagnostic fitting<br />
Hydrogel vs. silicone hydrogel<br />
Replacement period<br />
Selection of design/brand<br />
FITTING TSLs – POWER DETERMINATION<br />
Refraction<br />
Vertex correction<br />
Cross-cylinder calculations<br />
- BREAK -<br />
FITTING TSLs – AXIS DETERMINATION<br />
TSL vs Rx axis<br />
Assessment of orientation<br />
Adjustment for rotation<br />
FITTING TSLs – LENS FIT ASSESMENT<br />
Settling time<br />
Basic soft lens fit<br />
Orientation stability<br />
CUSTOM TSLs<br />
Who to fit with custom TSLs<br />
Fitting procedure<br />
Examples<br />
PROBLEM SOLVING<br />
Discomfort<br />
Poor VA<br />
Unstable vision<br />
Corneal staining<br />
Other physiological problems<br />
CASE EXAMPLES & DISCUSSION
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