The technique and a case report of femtosecond laser-assisted astigmatic keratotomy (FS AK) are reported in a patient with naturally occurring high astigmatism. The operation was performed using flap mode software to create two anterior arcuate side cuts in each eye using a femtosecond laser (IntraLase/AMO, Irvine, California; 30 kHz) in a 30-year-old female with a naturally occurring high astigmatism (with-the-rule) of 5.25 D in both eyes. In the right eye, the manifest refraction improved from −3.5+5.25×89 preoperatively, with an uncorrected visual acuity (UCVA) of counting fingers (CF) and a best spectacle-corrected visual acuity (BSCVA) of 20/25, to −1.75+2.75×90 postoperatively, with a UCVA of 20/50 and a BSCVA of 20/20. In the left eye, the manifest refraction improved from −3.5+5.25×83 preoperatively, with a UCVA of 20/200 and a BSCVA of 20/20, to −1.75+2.25×85 postoperatively, with a UCVA of 20/30 and a BSCVA of 20/20.
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Competing interests SHY has received honoraria from AMO, Carl Zeiss Meditec and Alcon.
Ethics approval Ethics approval was provided by Bascom Palmer Eye Institute.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.