Publications by authors named "Ziyaad Sultan"

Kimura disease (KD) is a rare, chronic, inflammatory condition, predominantly found in male patients of Asian ethnicity. It typically presents between 50-60 years of age and usually with bilateral disease. Angiolymphoid hyperplasia with eosinophilia (ALHE) remains the main differential diagnosis, although histological analysis is essential in differentiating from other similarly presenting pathologies.

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Purpose: To determine the degree of static eyelid asymmetry required to be perceptible and whether this is affected by image inversion.

Methods: Images of 3 volunteers were digitally manipulated to have eyelid asymmetry of 0.5 mm, 1 mm, or 1.

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Orbital trauma involving high-pressure grease guns is rare and can cause significant morbidity due to retained intraorbital grease. Grease can appear similar to intraorbital air on cross-sectional imaging, and clinicians should have a high index of suspicion for retained intraorbital grease and know how to recognise this. In this case, we will share the clinical and radiological findings as well as management of retained intraorbital grease.

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Purpose: The purpose of this study was to develop methods to model the external limiting membrane (ELM) and ellipsoid zone (EZ) within the elevated cuff surrounding a macular hole (MH) to determine if the predicted size of the defect in these layers after virtual flattening was associated with the actual postoperative defect and best-corrected visual acuity (BCVA).

Methods: Patients were included who had undergone successful MH surgery. The defects in the ELM and EZ after virtual flattening were modeled using in-house software.

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Rhegmatogenous retinal detachment (RRD) is a common condition with an increasing incidence, related to the ageing demographics of many populations and the rising global prevalence of myopia, both well known risk factors. Previously untreatable, RRD now achieves primary surgical success rates of over 80%-90% with complex cases also amenable to treatment. The optimal management for RRD attracts much debate with the main options of pneumatic retinopexy, scleral buckling and vitrectomy all having their proponents based on surgeon experience and preference, case mix and equipment availability.

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Purpose: To investigate the role of an internal limiting membrane (ILM) flap in macular hole (MH) surgery on closure rate, visual acuity, and integrity of the outer retinal layers.

Methods: Retrospective, nonrandomized interventional analysis in which 117 eyes of 117 patients were included who had undergone pars-plana vitrectomy (PPV) and gas tamponade for primary idiopathic MH >400 µm with either conventional ILM peeling or with inverted ILM flap technique at The Royal Liverpool University Hospital between January 2016 and April 2018. Main outcome measures were closure of MH, best-corrected visual acuity (BCVA) at 3, 6, and 12 months, and restoration of external limiting membrane and ellipsoid zone (EZ) using optical coherence tomography.

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