Abstract
Purpose: to assess the indicators of vascular network density at limbus area in patients with myopia and myopic astigmatism before and after excimer laser refractive surgery.Material and methods. A total of 22 patients aged 18 to 37 years with myopia and myopic astigmatism of varying degrees, who previously underwent excimer laser refractive surgery, were examined. Additionally, the vascular network density at limbus area was assessed quantitatively in the preoperative and early postoperative periods using the Nidek RS-3000 AngioScan OCT device and utilizing a module for scanning the anterior segment of the eye.Results. One hour after excimer laser refraction surgery, there was a decrease in vascular network density at limbus area in all four analyzed sectors (upper, lower, temporal, nasal). One day after surgery, there was an increase in this indicator, tending to preoperative values. We were unable to identify the dependence of the degree of vascular network density on the method of corneal flap formation.Conclusion. OCT-angiography makes it possible to assess the indicators of vascular density at limbus area. The estimated indicators varied depending on the time passed after excimer laser refractive surgery.
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