Abstract
PurposeTwo diabetic case reports of serous retinal detachment (SRD) accompanied by pachychoroid in hypotony maculopathy after trabeculectomy for neovascular glaucoma (NVG). ObservationsCase 1: A 66-year-old female with stage 3 NVG and decreased vision acuity in the left eye. After trabeculectomy, postoperative laser suture lysis (LSL) resulted in development of hypotony maculopathy, followed by pachychoroid and SRD. Injection of C3F8 gas in the anterior chamber was unsuccessful and transconjunctival scleral re-suturing was performed. Intraocular pressure (IOP) consequently increased and SRD improved. Case 2: A 60-year-old man with stage 2 NVG and decreased vision acuity in the right eye. Trabeculectomy was uneventful, but postoperative LSL also resulted in development of hypotony maculopathy followed by pachychroid and SRD. Intravitreal bevacizumab injection had no effect and transconjunctival flap re-suturing was performed. IOP consequently increased and SRD improved. ConclusionsSRD accompanied by pachychoroid was observed in hypotony maculopathy in diabetic cases. VEGF-independent exudative change in hypotony maculopathy may be due to hydrostatic pressure elevation in choroidal blood vessels based on Starling's hypothesis with the consequent breakdown of retinal pigment epithelium barrier in diabetic patients.
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