Materials and Methods: This study included patients who underwent combined femtosecond laser-assisted phacoemulsifi cation and arcuate keratotomy between October 2016 and October 2018. Keratometric astigmatism and astigmatic changes were evaluated before and six months after the surgery by vector analysis based on Alpin?s method.

Results: In total, 69 eyes of 69 patients (35 female and 34 male; mean age, 60.3 ±10.5 years) were included. The mean preoperative target induced astigmatism (TIA) was 1.55±0.46 diopters (D) and postoperative astigmatism (difference vector [DV]) was 0.83±0.41 D (P<.001). The mean surgically induced astigmatism (SIA) was 1.09±0.56 D. The magnitude of error (difference between SIA and TIA) was -0.28±0.65 D and correction index (SIA/TIA ratio) was 0.71±0.34, indicating a slight undercorrection. The angle of error was near 0 (22±16 degrees), indicating no signifi cant systematic error of misaligned treatment. The index of success (IOS), which is the ratio of DV to TIA, was 0.54±0.27, indicating a success rate of 46% in the correction of astigmatism.

Conclusion: Combined phacoemulsifi cation with FSAK appears to be a relatively easy and safe means for management of low-to-moderate corneal astigmatism in cataract surgery candidates. Keywords : Cataract surgery, Corneal astigmatism, Femtosecond laser-assisted arcuate keratotomy