Measurements obtained with the RTONE, either by an ophthalmologist or by the patient, showed an excellent correlation with those provided by applanation tonometry. RTONE generally tends to overestimate IOP compared to GAT readings and displays a dependence on CCT. This study was registered with the DRKS (German Clinical Trials Register; www.germanctr.de ; DRKS00000478).
Purpose: To assess the efficacy of trabeculectomy with a biodegradable Ologen™ implant (OLO) versus mitomycin C (MMC) in patients in a prospective randomized clinical trial. Methods: In the MMC group (15 patients), trabeculectomy was performed according to standard protocols. In the OLO group (15 patients) after standard trabeculectomy, the implant was positioned on top of the scleral flap, and no MMC was applied. Results: Mean preoperative intraocular pressure (IOP) levels (OLO: 28.0 ± 9.4; MMC: 23.9 ± 5.0 mm Hg; p = 0.21) and medication score (OLO: 3.4 ± 1.6; MMC: 3.6 ± 1.5; p = 0.56) were comparable in both groups. One year after surgery, the mean IOP was 15.9 ± 4.5 mm Hg in the OLO group (p < 0.01, 43% reduction) and 11.0 ± 2.6 mm Hg in the MMC group (p < 0.01, 54% reduction). The surgical success rate 12 months after surgery was 93.3% in the MMC group and 40% in the OLO group (p = 0.01). Conclusions: With the atelocollagen-glycosaminoglycan matrix OLO it was not possible to reach the surgical success rate and pressure reduction achieved in the MMC group.
Measurements obtained with the RTPRO, either in the upright or in the supine position, show good correlation and agreement with those provided by applanation and dynamic contour tonometry. The study was registered with the DRKS (German Clinical Trials Register; http://www.germanctr.de; DRKS00000581).
While taking potential bias arising from the retrospective nature of the study into consideration, a history of previous cyclodestructive procedures before GDD surgery seems to be a major risk factor for suprachoroidal haemorrhage and for late-onset postoperative hypotony.
Propionic acidemia (PA) is a rare autosomal recessive disorder resulting from deficiency of the biotin-dependent enzyme propionyl-CoA carboxylase, which is necessary for the catabolism of branched chain amino acids and odd-chain fatty acids. Although optic atrophy was documented in four cases, no glaucomatous optic atrophy has yet been described. This article describes the first case of a 12-year-old boy with PA showing bilateral glaucomatous optic disc atrophy due to dysgenetic changes of the angle of the anterior chamber.
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