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1.
J Ophthalmol ; 2021: 4566436, 2021.
Article in English | MEDLINE | ID: mdl-34631162

ABSTRACT

PURPOSE: To analyse the posterior capsular opacification (PCO) development pattern in the long term in eyes implanted with a monofocal intraocular lens (IOL) with a square edge all around the optic. METHODS: Longitudinal retrospective study is data analyzed from a total of 7059 eyes from 4764 patients (mean age: 75.8 years) undergoing cataract surgery with implantation of an aspheric monofocal IOL (Bi-Flex HL 677AB/677P, Medicontur, Budapest, Hungary). These data were retrospectively collected using the electronic medical record of the hospitals involved. Nd : YAG capsulotomy rates were calculated per year during a follow-up of more than 10 years. The Kaplan-Meier analysis was used to establish the transparent capsule survival rate. RESULTS: The Nd : YAG capsulotomy rate increased from 1.1% at 1 year postoperatively to 17.2% at 5 years after surgery. No significant differences were found between eyes with and without capsulotomy in terms of age (p = 0.202), gender (p = 0.061), type of anaesthesia used (p = 0.128), and presence of conditions such as hard cataract (p = 0.111) or pseudoexfoliation (p = 0.137). IOL power was significantly lower in those eyes of patients requiring Nd : YAG capsulotomy during the follow-up (p < 0.001). Significantly more eyes implanted with the preloaded model of the IOL required capsulotomy (p < 0.001). Mean survival time and rate were 9.38 years and 85.9%, respectively. CONCLUSIONS: Most eyes undergoing cataract with implantation of the Bi-Flex IOL do not develop a clinically significant PCO requiring Nd : YAG capsulotomy in the long term. IOL material and design may be the main factors accounting for this finding.

2.
Int J Retina Vitreous ; 7(1): 42, 2021 May 27.
Article in English | MEDLINE | ID: mdl-34044887

ABSTRACT

BACKGROUND: The aim of this paper is to present a novel bimanual double aspiration technique to avoid intraoperative giant tear slippage. The major problem of giant retinal tears (GRT) surgery is the mobility of the posterior flap (slippage), which has been classically solved by the use of intraoperative perfluorocarbon liquid (PFCL). However, avoiding slippage of the posterior flap can be a serious technical challenge when the PFCL is removed, especially when a GRT circumference is > 180°. METHODS: Conventional three-port 23-gauge pars plana vitrectomy (PPV) plus chandelier was performed in three patients with giant retinal tears (GRT), using the "bimanual double aspiration technique" with non-contact wide field viewing systems. All surgeries were performed by the same surgeon. RESULTS: None of the three cases presented with a retinal slippage after the bimanual aspiration technique. DISCUSSION: GRT are full thickness retinal tears that extend circumferentially more than 90° of the retina. Management of GRT is a challenge for the vitreoretinal surgeons because the higher risk of proliferative vitreoretinopathy (PVR), re-detachment and increased risk of retinal slippage; this last can occur intraoperative or postoperative. Retinal slippage is not uncommon but far under-reported and can lead to various complications such as hypotony, retinal folds, and may exacerbate PVR formation. We performed bimanual double aspiration technique to avoid intraoperative giant tear slippage. We believe that this maneuver may avoid slippage by drying the posterior edge of the GRT. There were no complications related with the technique, and no additional equipment was needed. CONCLUSION: In summary, "bimanual double aspiration technique", is a simple, effective, safe and economic maneuver that could be a good option to avoid intraoperative slippage in giant retinal detachment surgery, thus achieving the stabilization of the posterior retinal flap.

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