Journal francais d'ophtalmologie · 2025
Catalys White Lux femtosecond laser-assisted corneal relaxing incisions for astigmatism correction in cataract surgery.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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He Y, Li L, Yuan J
Аннотация
OBJECTIVE: To evaluate the clinical efficacy of intraoperative corneal releasing incisions for astigmatism correction in Catalys White Lux femtosecond laser-assisted cataract surgery and to compare the differences between intrastromal releasing incisions and anterior penetrating releasing incisions.
METHODS: In this prospective study, 39 patients (39 eyes) with cataracts and corneal astigmatism of 0.75 D or greater were enrolled. Patients were randomly assigned to two groups based on the depth of the corneal releasing incision: Group A (intrastromal releasing incisions, with a depth of 60%) and Group B (anterior penetrating releasing incisions, with a depth of 80%). Visual acuity, correction of corneal astigmatism, and endothelial damage were compared between the two groups before and after surgery. Additionally, regression analyses were conducted on factors potentially affecting astigmatism correction, including age, corneal endothelium, and incision depth.
RESULTS: All 39 patients (39 eyes) underwent successful surgery, with no adverse events such as corneal edema, perforation, or incision or intraocular infection occurring during or after the procedure. Postoperative uncorrected visual acuity improved significantly in both groups, with no statistically significant difference between them (P>0.05). Astigmatism was corrected in all cases, with Group A showing more pronounced and earlier stabilization, although this difference was not statistically significant (P>0.05). Endothelial damage was observed in all eyes; however, there was no significant difference between the groups at 1 week postoperatively (P>0.05). At 1 month and 3 months postoperatively, a significant difference was noted (P<0.05), with Group B exhibiting greater corneal damage than Group A. Logistic regression analysis indicated no significant correlation between patient age, corneal endothelium, and the success rate of astigmatism correction.
CONCLUSION: Catalys White Lux femtosecond laser-assisted cataract surgery with concurrent corneal releasing incisions for astigmatism correction is a safe and effective procedure. The intrastromal incision yields more stable postoperative outcomes and results in less corneal damage compared to the anterior penetrating incision.
METHODS: In this prospective study, 39 patients (39 eyes) with cataracts and corneal astigmatism of 0.75 D or greater were enrolled. Patients were randomly assigned to two groups based on the depth of the corneal releasing incision: Group A (intrastromal releasing incisions, with a depth of 60%) and Group B (anterior penetrating releasing incisions, with a depth of 80%). Visual acuity, correction of corneal astigmatism, and endothelial damage were compared between the two groups before and after surgery. Additionally, regression analyses were conducted on factors potentially affecting astigmatism correction, including age, corneal endothelium, and incision depth.
RESULTS: All 39 patients (39 eyes) underwent successful surgery, with no adverse events such as corneal edema, perforation, or incision or intraocular infection occurring during or after the procedure. Postoperative uncorrected visual acuity improved significantly in both groups, with no statistically significant difference between them (P>0.05). Astigmatism was corrected in all cases, with Group A showing more pronounced and earlier stabilization, although this difference was not statistically significant (P>0.05). Endothelial damage was observed in all eyes; however, there was no significant difference between the groups at 1 week postoperatively (P>0.05). At 1 month and 3 months postoperatively, a significant difference was noted (P<0.05), with Group B exhibiting greater corneal damage than Group A. Logistic regression analysis indicated no significant correlation between patient age, corneal endothelium, and the success rate of astigmatism correction.
CONCLUSION: Catalys White Lux femtosecond laser-assisted cataract surgery with concurrent corneal releasing incisions for astigmatism correction is a safe and effective procedure. The intrastromal incision yields more stable postoperative outcomes and results in less corneal damage compared to the anterior penetrating incision.