ESCRS - PP10.08 - Long-Term Results Of Femtosecond Laser Arcuate Keratotomy For Correction Of Corneal Astigmatism During Cataract Surgery

Long-Term Results Of Femtosecond Laser Arcuate Keratotomy For Correction Of Corneal Astigmatism During Cataract Surgery

Published 2022 - 40th Congress of the ESCRS

Reference: PP10.08 | Type: Free paper | DOI: 10.82333/q8k8-em67

Authors: Zhe Zhang* 1 , Suhua Zhang 2

1Shenzhen Eye Hospital,Shenzhen,China;Shanxi Eye Hospital,Taiyuan,China, 2Taiyuan Central Hospital of Shanxi Medical University,Taiyuan,China;Shanxi Eye Hospital,Taiyuan,China

Purpose

Long-term results of femtosecond laser arcuate keratotomy for correction of corneal astigmatism during cataract surgery

Setting

Shanxi Eye Hospital, Taiyuan, Shanxi Province, China.

Methods

Retrospective case series. 35 eyes of 35 patients with age-related cataract and corneal astigmatism between 0.5 and 3.0 diopters (D). FLAKs were placed at a diameter of 8.0 mm with a depth of 90%. Corneal astigmatism was measured before surgery, 3 months and 1 year after surgery. Vector analyses were performed. 

Results

Mean preoperative corneal astigmatism (1.35 ± 0.70 D) were significantly reduced to 0.67 ± 0.40 D at 3 months and 0.69 ±0.43 D at 1 year after surgery respectively (p=0.113). Surgery induced astigmatism were 1.06 ± 0.72 D at 3 months and 1.02 ± 0.66 D at 1 year (P=1.000). Geometric mean of the correction index was 0.78 at 3 months and 1 year after surgery (P=1.000). Mean of flatten effect was -0.95 ± 0.77 D at 3 months and -0.90 ± 0.71 D 1 year (P=0.257).

Conclusions

Femtosecond laser arcuate keratotomy for correction of low to moderate astigmatism has achieved stable correction at 3 months postoperatively. At 1-year follow-up, no significant regression was found.