Clinical ophthalmology (Auckland, N.Z.) · 2025
Flutter Sign - An Indicator of Intact Anterior Hyaloid Face After Posterior Capsule Rupture During Phacoemulsification.
СтатьяНазвание и аннотация: Перевод в очереди
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Om Parkash Rohit, Om Parkash Tushya, Sharma Trupti, Vajpayee Rasik Behari, Megur Deepak, Patwardhan Sourabh D, Desai Abhijeet, Tassignon Marie-José
Аннотация
PURPOSE: To describe the intraoperative Flutter Sign as a real-time indicator of anterior hyaloid face (AHF) integrity following posterior capsule tear (PCT) during phacoemulsification.
DESIGN: Single-centre observational study combining retrospective review of twelve intraoperative PCT cases with prospective evaluation of eight additional cases. Retrospective observations guided structured assessment in the prospective arm, focusing on PCT edge behaviour and AHF integrity.
METHODS: Surgical videos of twelve eyes with intraoperative PCT were analysed for tear edge morphology and motility. Based on these findings, eight prospectively observed PCT cases were examined intraoperatively for edge behaviour and AHF status. Additional parameters included need for vitreous surgery, type of intraocular lens (IOL) implanted, and intraoperative and postoperative complications associated with PCT.
RESULTS: Eleven eyes demonstrated sharp, fluttering PCT edges with intact AHF, no vitreous prolapse, and no need for anterior vitrectomy. Of these, five received in-the-bag IOLs, while six underwent sulcus fixation. All achieved a best corrected visual acuity (BCVA) of 20/20. Nine eyes exhibited scalloped, non-fluttering edges, consistent with AHF rupture and vitreous prolapse. All required anterior vitrectomy and sulcus-fixated IOLs. Three patients in this group experienced posterior migration of lens material: two had small cortical or nuclear fragments that were clinically insignificant and required no intervention, while one patient had a large nuclear fragment that necessitated a secondary procedure for removal. BCVA was reduced in two eyes to 20/30. Two patients experienced transient elevation of intraocular pressure. No cases of retinal detachment or endophthalmitis were observed.
CONCLUSION: The Flutter Sign is a simple, dye-free, real-time indicator of AHF integrity after PCT, with fluttering edges signifying intact AHF and scalloped static edges indicating vitreous prolapse.
DESIGN: Single-centre observational study combining retrospective review of twelve intraoperative PCT cases with prospective evaluation of eight additional cases. Retrospective observations guided structured assessment in the prospective arm, focusing on PCT edge behaviour and AHF integrity.
METHODS: Surgical videos of twelve eyes with intraoperative PCT were analysed for tear edge morphology and motility. Based on these findings, eight prospectively observed PCT cases were examined intraoperatively for edge behaviour and AHF status. Additional parameters included need for vitreous surgery, type of intraocular lens (IOL) implanted, and intraoperative and postoperative complications associated with PCT.
RESULTS: Eleven eyes demonstrated sharp, fluttering PCT edges with intact AHF, no vitreous prolapse, and no need for anterior vitrectomy. Of these, five received in-the-bag IOLs, while six underwent sulcus fixation. All achieved a best corrected visual acuity (BCVA) of 20/20. Nine eyes exhibited scalloped, non-fluttering edges, consistent with AHF rupture and vitreous prolapse. All required anterior vitrectomy and sulcus-fixated IOLs. Three patients in this group experienced posterior migration of lens material: two had small cortical or nuclear fragments that were clinically insignificant and required no intervention, while one patient had a large nuclear fragment that necessitated a secondary procedure for removal. BCVA was reduced in two eyes to 20/30. Two patients experienced transient elevation of intraocular pressure. No cases of retinal detachment or endophthalmitis were observed.
CONCLUSION: The Flutter Sign is a simple, dye-free, real-time indicator of AHF integrity after PCT, with fluttering edges signifying intact AHF and scalloped static edges indicating vitreous prolapse.