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BEST stereotest
BEST (Bernell Evaluation of Stereopsis Test) is a filter-free method that uses lenticular technology. The test presents colourful animal targets ranging from 400 to 40”. Stereoacuity was measured with BEST and Randot in 100 children aged 3.3-17.8 years, mean 8.52...Herpes zoster ophthalmicus: a clinician’s perspective
Introduction Herpes zoster, commonly known as shingles, is caused by the reactivation of varicella zoster virus (VZV). The term herpes is derived from a Greek work, herpein, which means ‘creeping’ and the word zoster means a belt or a girdle...
Subconjunctival anaesthesia in vitreoretinal surgery
The authors present a technique that combines topical and subconjunctival anaesthesia for vitreoretinal surgery. In this ‘two-step’ procedure, three drops of proparacaine were applied to the conjunctival fornix, followed by subconjunctival lidocaine injected in three quadrants. This was compared with...Ocular manifestations of multiple sclerosis: an overview
Multiple sclerosis (MS) is an autoimmune demyelinating disease of the central nervous system (CNS), in which there is dissemination of lesions in time (two or more clinical events) and space (multiple lesions seen on brain and spinal imaging). The pathophysiology...Dec/Jan 2017 Quiz
History An 18-month-old boy presented with a slow growing left anterior orbital lump medially. Examination revealed a palpable mass beneath the skin at the inferonasal aspect without any visual impairment. A CT scan (Figure 1) followed by an excisional biopsy...
ESASO Course Series (Volume 3): Cataract
This book is designed as a course manual for cataract and refractive surgery. It starts off by discussing both the fluidics and dynamics of phacoemulsification, touching techniques and management of difficult scenarios. The ins and outs of conventional, accommodative, toric...Apr/May 2017 Quiz
History A five-month-old baby was seen in clinic with bilateral congenital corneal opacities. The right cornea is shown in Figure 1. Figure 1. Examination revealed corneal oedema and opacities of Descemet’s membrane and endothelium with a few vesicular lesions. Corneal...Neurofibromatosis type 2 – diagnosis, features and MDT approach
NF2 is a genetic condition caused by mutation in a single gene (NF2 gene) on chromosome 22. The NF2 gene provides instructions to produce a protein called merlin, also known as schwannomin. This protein functions as a tumour suppressor, preventing...
Long-term specular microscopy following Nd: YAG iridotomy in chronic POAG
The aim of this study was to evaluate specular microscopy of chronic primary angle-closure glaucoma (CPACG) eyes at least one year after Nd:YAG iridotomy, and compare them with CPACG eyes without an iridotomy and age-matched, normal eyes. Nd:YAG laser causes...Internuclear ophthalmoplegia: a case study
A 44-year-old patient presents with binocular, mostly horizontal diplopia when fixating on moving objects. This has been ongoing for approximately five years. He is known to have multiple sclerosis and had an episode of optic neuritis six years prior in...
