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2865 results found

Uveitis in HIV infected persons

Before the advent of highly active antiretroviral therapy (HAART), uveitis, in particular cytomegalovirus (CMV) retinitis, was the most common cause of visual loss in patients with AIDS. HAART has altered the cause of ocular disease in HIV infected individuals by...

RPTP-σ increases pro-MMP activity in a trabecular meshwork cell line following oxidative stress conditions

This study aims to outline the role of phosphatases in the aqueous drainage system by overexpressing receptor tyrosine phosphatase sigma (RPTP-σ) in a human normal trabecular meshwork cell line and describing its effect on subtypes of matrix metalloproteinases (MMP) and...

Possible COVID-19 related maculopathy

COVID-19 is being investigated as a potential cause for various ocular diseases, with growing evidence of related retinal vascular changes, that vary from isolated cotton wool spots and retinal haemorrhages to retinal vascular occlusions [1.2]. COVID-related macular affection has also...

Efficacy of intravitreal dexamethasone implant in patients with persistent macular oedema

Chronic cystoid macular oedema (CME) can develop secondary to various pathologies such as diabetic maculopathy, retinal vein occlusion and uveitis. It can cause significant visual impairment and macular damage. The therapeutic effect of corticosteroids in CME is through one or...

Does intravitreal bevacizumab help in diabetic retinopathy related vitreous haemorrhage?

This retrospective, interventional case series, aimed to assess the effectiveness of intravitreal bevacizumab (IVB) in vitreous haemorrhage secondary to proliferative diabetic retinopathy. The primary outcome was the rate of vitrectomy (PPV) after IVB, with secondary outcomes the number of IVB...

Strabismus in thyroid eye disease

Pathogenesis Thyroid eye disease (TED) is an auto-immune condition, in the initial phase there is lymphocytic infiltration and oedema of the extraocular muscles with deposition of glycosaminoglycans and hyaluronic acid and adipogenesis, which can lead to an increase in the...

Review of pathogenesis of Acanthamoeba keratitis

In this review, the author summarised the current microbiomic and immunological evidence related to the pathogenesis of Acanthamoeba keratitis (AK). AK has been described for almost 50 years, but the exact biology of the disease remains perplexing. Acanthamoeba spp. are...

Intravitreal ranibizumab for the treatment of myopic CNV

The authors conducted a prospective study. Sixty-four patients (65 eyes) attended the 12-month follow-up examination. The mean patient age was 47.8 years. Fifty-five patients (86.0%) were females. All patients had pathologic myopia (a spherical equivalent of more than − 6.0...

First systematic review of COVID-19 colonisation of ocular tissues and secretions

The authors present the first systematic review summarising all the data regarding SARS-CoV-2 colonisation of ocular and periocular tissues and secretions. They reviewed all publications between December 2019 to April 2020 in the Cochrane Library, Medline, World of Science and...

Scheimpflug images and graft rejection

This study aimed to assess corneal changes using 360-degree Scheimpflug images and pachymetry readings to outline screening parameters, which define graft rejection. Seventeen eyes of 16 patients developed clinically manifest allograft rejection two to 42 months after surgery – those...

Intravitreal Ziv-Aflibercept: safety analysis

Ziv-Aflibercept (Zaltrap; Sanofi-Aventis U.S LLS, Bridgewater, NJ) was originally introduced as an intravenous formulation for metastatic colorectal cancer. The adoption of Ziv-Aflibercept in ophthalmic practice was similar to bevacizumab, and reports have previously examined one to two year visual outcomes...

Ocular bubbly: a vitreoretinal update on the art of gases

The authors remind us of the revolutionary impact gases have had on retinal surgery. In 1938, Rosengren attempted to improve his retina repair surgical outcomes [1]. He discovered that suturing the retina or pressing externally on the sclera were not...