Purpose: To describe a novel surgical approach for treating patients diagnosed with severe idiopathic epiretinal membranes (iERM) featuring ectopic intrafoveal layers (EIFL).
Method: A retrospective, interventional case series was conducted involving eight cases of iERM with EIFL. The technique involved a 27-gauge vitrectomy, removal of all vitreous adhesions, and injection of approximately 100μl sub-retinal balanced salt solution (BSS) using a 41-gauge subretinal needle, creating 3-4 localized bleb-like elevations around the folded retina to loosen it.
Purpose: The aim of this study was to explore whether there are interactions between genetic (ARMS2/HTRA1) and environmental factors (cigarette smoking) in the pathogenesis of age-related macular degeneration (AMD).
Methods: Primary human retinal pigment epithelial (hRPE) cells were obtained from four donors' eyes with AMD high-risk ARMS2/HTRA1 alleles, and two donors' eyes with wild-type alleles were used as controls. The pooled serum from 32 smokers and 35 nonsmokers were collected and used separately to treat hRPE cells.
Accumulation of lipofuscin in the retinal pigment epithelium (RPE) is considered a major cause of RPE dysfunction and senescence in age-related macular degeneration (AMD), and -retinylidene--retinylethanolamine (A2E) is the main fluorophore identified in lipofuscin from aged human eyes. Here, human-induced pluripotent stem cell (iPSC)-RPE was generated from healthy individuals to reveal proteomic changes associated with A2E-related RPE cell senescence. A novel RPE cell senescence-related protein, high-mobility group box 1 (HMGB1), was identified based on proteomic mass spectrometry measurements on iPSC-RPE with A2E treatment.
View Article and Find Full Text PDFOphthalmic Genet
February 2019
Background: To clarify the diagnosis of a Chinese patient with novel double heterozygous in the NR2E3 and OPN1LW genes and describe the clinical features.
Materials And Methods: A 47-year-old man presented with an 8-year history of decreased vision and poor night vision. Based on his clinical phenotype, we focused on 36 genes associated with these characteristics.
Retinal degeneration diseases, such as age-related macular degeneration and retinitis pigmentosa, affect millions of people worldwide and are major causes of irreversible blindness. Effective treatments for retinal degeneration, including drug therapy, gene augmentation or transplantation approaches, have been widely investigated. Nevertheless, more research should be dedicated to therapeutic methods to improve future clinical treatments.
View Article and Find Full Text PDFRanibizumab injection in the treatment of choroidal neovascularization (CNV) secondary to pathologic myopia (PM) with and without a dome-shaped macula (DSM).Prospective observational study.A total of 24 patients (24 eyes) with angiographic evidence of CNV secondary to PM were divided into 2 groups: eyes with a DSM and eyes without DSM.
View Article and Find Full Text PDFAge-related macular degeneration (AMD) is a major cause of blindness in older adults in developed countries. It is a multifactorial disease triggered by both environmental and genetic factors. High-temperature requirement A serine peptidase 1 (HTRA1) and age-related maculopathy susceptibility 2 (ARMS2) are two genes that are strongly associated with AMD.
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