Classification System ( 17 )

2410 Words Oct 23rd, 2016 10 Pages
All patients were diagnosed with a stage 2, 3, or 4 idiopathic MH according to the Gass classification system(17) and underwent a comprehensive ophthalmologic examination before and 1, 3, and 6 months postoperatively, including measurement of the best-corrected VA (BCVA), binocular indirect ophthalmoscopy, and non-contact lens slit-lamp biomicroscopy.
The SD-OCT examination also was performed in all patients on the same day as the clinical examination.
Standard 3-port pars plana vitrectomy for MH repair consisted of a core vitrectomy with intravitreal injection of triamcinolone acetonide to visualize the vitreous gel, surgical creation of a posterior vitreous detachment if it had not yet occurred, ILM peeling using Briliant blue G (BBG), and fluid–gas exchange followed by flushing with a mixed non-expansile concentration of 20% sulfur hexafluoride. Patients were instructed to remain facedown for 2 to 7 days postoperatively.
Anatomic success was defined as the presence of a flat or closed MH 1 month postoperatively confirmed by biomicroscopy.(18)
All patients provided written informed consent after they received a detailed explanation of the surgical procedure and SD-OCT follow-up examinations.
Our retina specialist (SB) performed the surgeries.
One of two experienced examiners performed the VA examinations, and experienced technicians conducted the SD-OCT examinations.
The study adhered to the tenets of the Declaration of Helsinki and was approved by the institutional…
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