Purpose: To investigate the correlation between outer and inner retina optical coherence tomography (OCT) biomarkers and visual acuity in patients with idiopathic epiretinal membrane (iERM) and identify which of them may be predictive of visual function. Methods: A retrospective cross-sectional single-center study was conducted that included patients diagnosed with iERM. Spectral domain OCT images were obtained and assessed qualitatively and quantitatively. The association of OCT parameters with best corrected visual acuity was analyzed. Results: Charts of 97 eyes of 97 patients were reviewed. Central foveal thickness, maximal retinal thickness (MRT), photoreceptor outer segment length, outer foveal thickness, ganglion cell-inner plexiform layer complex thickening, inner retinal thickness and inner retinal layer irregularity index were among the major outcome measures. OCT scans were also assessed for the presence of cotton ball sign, ellipsoid zone disruption, ectopic inner foveal layer, disorganization of retinal inner layers (DRIL), intraretinal fluid, subretinal fluid (SRF) and epimacular membrane rip. Univariate analysis showed statistically significant association between all the aforementioned parameters with worse vision, except for cotton ball sign and SRF. Multivariate analysis found that MRT and severe DRIL were strongly correlated with worse vision ( p < 0.001). Conclusion: MRT and severe DRIL should be considered as negative prognostic factors for visual acuity.
Before the introduction of optical coherence tomography angiography (OCTA) in the early 2000s, dye-based angiography was considered the "gold standard" for the diagnosis and monitoring of ocular inflammation. OCTA is a novel technique, which demonstrates capillary networks based on the amount of light returned from moving blood cells, providing further information on pathophysiological changes in uveitis. The aim of this review is to describe the basic principles of OCTA and its application to ocular inflammatory disorders. It particularly emphasizes on its contribution not only in the diagnosis and management of the disease but also in the identification of possible complications, comparing it with fundus fluorescein angiography (FFA) and indocyanine green angiography (ICGA). Although the advent of OCTA has remarkably enhanced the assessment of uveitic entities, we highlight the need for further investigation in order to better understand its application to these conditions.
Although never been reported before, Valsalva retinopathy can be associated with intranasal cocaine abuse and should be considered in the differential diagnosis of visual reduction in such population.
Age-related macular degeneration (AMD), diabetic retinopathy and retinal vein occlusion represent some of the commonest degenerative conditions that lead to severe vision impairment in the developed countries. The gold standard treatment of complications associated with these conditions is the intravitreal administration of anti-vascular endothelial growth factor (VEGF) agents. Brolucizumab is a newly developed, humanised, single-chain fragment of a monoclonal antibody binding all VEGF-A isoforms, which was recently approved for the treatment of neovascular AMD. Intravitreal brolucizumab promises to reduce treatment burden for nAMD patients by achieving comparable therapeutic outcomes with fewer clinic visits. Promising also appears its use for the treatment of more challenging maculopathies like diabetic macular oedema (DMO). The aim of this review is to describe the special pharmacological properties of brolucizumab and display the outcomes of the most important clinical trials and real-world studies regarding its efficacy and safety for the management of degenerative macular disorders.
There are several available options for the demanding surgical correction of paediatric aphakia without sufficient capsular support. The literature suggests the implantation of a transscleral fixated posterior chamber-intraocular lens (PCIOL), an intrascleral fixated PCIOL, an iris-sutured intraocular lens (IOL), or an anterior chamber iris-claw IOL. We searched for reports on the management of paediatric aphakia in case of inadequate capsular support that delineated the diverse surgical approaches and their postoperative results. Analysis demonstrated that different complications can be encountered depending on IOL placement technique, such as suture rupture, IOL dislocation, secondary glaucoma, endophthalmitis, vitreous hemorrhage, and endothelial cell loss. However, it was shown that various IOL designs have similar visual outcomes. Taking into consideration the advantages and disadvantages of each surgical technique, ophthalmic surgeons can determine the safest and most efficient approach for paediatric aphakic patients.
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