Влияние вакуумного воздействия на состояние премакулярной сумки в раннем послеоперационном периоде после эксимерлазерной коррекции зрения у пациентов с миопией и миопическим астигматизмом

Abstract

Purpose. To assess the state of the posterior segment of the eye, namely, the state of the pre-macular bursa and the density of the capillary network of the retina in the early postoperative period in patients with myopia and myopic astigmatism who was operated on LASIK and FemtoLASIK with different degrees of vacuum influence during the formation of the corneal flap. M aterial and methods. Totally the study included 45 individuals aged 18 to 40 years which were examined and operated for excimer laser correction of vision according to the LASIK and FemtoLASIK techniques. Additionally, all patients underwent the optical coherence tomography using the device Nidek RS-3000 Advance AngioScan (NIDEK, Japan) to determine the size of the pre-macular bursa before the surgery, 1 hour and 1 day after the excimer laser correction, as well as to estimate the density of the capillary network of the retina pre-operatively and 1 day post-operatively. Results. In patients after the excimer laser correction, there was a change in the size of the pre-macular bursa, both in the direction of increase and decrease. The density of the capillary network of the retina remained unchanged. Conclusion. Within the surgical intervention in the anterior segment of the eye, namely the influence of vacuum at the stage of formation of the corneal flap during the excimer laser correction, safe reversible changes occur in the posterior segment of the eye.