Correction of high astigmatism: case studies using the mixed-cylinder approach.
OBJECTIVE
To explain the use of the mixed-cylinder approach in treating moderate to high astigmatism with the NIDEK EC-5000 excimer laser system.


METHODS
Retrospective case series report.


RESULTS
Three patients with bilateral moderate to high astigmatism were treated successfully using the mixed cylinder approach.


CONCLUSIONS
The use of the mixed-cylinder approach with the NIDEK EC-5000 excimer laser may be a safe and predictable option for treating moderate to high astigmatism.
Khan
Hamza N
HN
University of Alberta, British Columbia, Canada. khan@post.harvard.edu
Kaye
Geoffrey B
GB
Febbraro
Jean Luc
JL
D000328:Adult; D001251:Astigmatism / Q000150:complications / Q000503:physiopathology / Q000628:therapy*; D003315:Cornea / Q000473:pathology / Q000601:surgery; D019781:Corneal Topography; D004867:Equipment Design; D005139:Eyeglasses; D005500:Follow-Up Studies; D006801:Humans; D020731:Keratomileusis, Laser In Situ / Q000295:instrumentation*; D008297:Male; D008875:Middle Aged; D009216:Myopia / Q000150:complications / Q000503:physiopathology / Q000628:therapy; D012029:Refraction, Ocular; D012720:Severity of Illness Index; D014792:Visual Acuity