http://www.revophth.com/index.asp?page=1_695.htm


Refractive Surgery: Insights on Ectasia
Surgeons are having to deal with LASIK cases that develop ectasia despite the lack of the usual preop warning signs of keratoconus.
Walter Bethke, Managing Editor

Many refractive surgeons are aware of the ways they can detect keratoconus preoperatively, and they also strive to leave the generally accepted 250 µm of residual corneal bed postop in order to avoid ectasia. However, some surgeons say that even these precautionary measures may not be enough in all cases.