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 Post subject: Thin cornea defined as <300 um RST
PostPosted: Sat Aug 12, 2006 11:34 am 
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OSN SuperSite Top Story 8/10/2006

Femtosecond laser helps maintain stability of thin corneas

"The researchers defined patients with thin corneas as those in whom they calculated would have less than 300 ?m of residual stroma after subtracting ablation depth. "


Read the entire article at: http://www.osnsupersite.com/view.asp?rID=17982

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PostPosted: Sat Aug 12, 2006 11:49 pm 
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Some surgeons would thin your cornea to 250 microns! This greatly increases your risk for ectasia! Now most surgeons are backing off to 300.

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Lasik damages every eye! Lasik induces more aberrations, even so called "wavefront!" Stick to glasses!


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PostPosted: Sat Sep 22, 2007 8:20 pm 
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http://www.crstoday.com/PDF%20Articles/ ... 907_08.php

Cataract & Refractive Surgery Today
September, 2007

Point/Counterpoint: Is Corneal Thickness a Risk Factor for Post-LASIK Ectasia?

Quote:
Surgeons' knowledge of corneal ectasia has increased by the following considerations.

The advent of automated topography increased our awareness of corneal pellucid marginal degeneration. The condition appears to be more prevalent than previously thought only because we did not have a reliable way to diagnose early corneal changes. Many cases diagnosed as atypical keratoconus were really corneal pellucid marginal degeneration.

Keratoconus and corneal pellucid marginal degeneration are probably different aspects of the same corneal pathophysiology (the cause of which is unknown) but with a different primary focus (inferocentral for keratoconus and generally inferior for corneal pellucid marginal degeneration).

A healthy cornea with a central thickness of 300 ?m can often maintain its functional shape either postinjury or after keratorefractive surgery without developing irregular astigmatism.

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Broken Eyes

"The price good men pay for indifference to public affairs is to be ruled by evil men." Plato


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