You searched for "vestibular"
Paraneoplastic optic neuropathy features
1 August 2019
| Jonathan Chan
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Neuro-Ophthalmology
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PNS antibodies, paraneoplastic optic neuropathy, paraneoplastic syndrome (PNS)
This is a retrospective review of seven patients diagnosed with paraneoplastic optic neuropathy (PON) between January 2015 and June 2017. Five patients had a history of primary malignancy, including papillary thyroid carcinoma, type B thymoma, testicular seminoma and lung carcinoma....
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...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
4 August 2021
| Ed Rule
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Retina / Uvea / Vitreous
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Peribulbar anesthesia, Retrobulbar anesthesia, Two-step anesthesia, Vitrectomy
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...
Dec/Jan 2017 Quiz
1 December 2016
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Genetics, Ophthalmology, Optometry, AMD, Emergency Ophthalmology, EYE - Cataract, EYE - Cornea, EYE - Glaucoma, EYE - Imaging, EYE - Neuro-ophthalmology, EYE - Oculoplastic, EYE - Oncology, EYE - Orbit, EYE - Paediatrics, EYE - Pathology, EYE - Refractive, EYE - Strabismus, EYE - Vitreo-Retinal
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...Neurofibromatosis type 2 – diagnosis, features and MDT approach
1 December 2021
| Jincy Kurian
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Ophthalmology, EYE - Orbit, EYE - Vitreo-Retinal, EYE - Cataract, EYE - Refractive
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...
Apr/May 2017 Quiz
1 April 2017
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Genetics, Ophthalmology, Optometry, AMD, Emergency Ophthalmology, EYE - Cataract, EYE - Cornea, EYE - Glaucoma, EYE - Imaging, EYE - Neuro-ophthalmology, EYE - Oculoplastic, EYE - Oncology, EYE - Orbit, EYE - Paediatrics, EYE - Pathology, EYE - Refractive, EYE - Strabismus, EYE - Vitreo-Retinal
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...
Long-term specular microscopy following Nd: YAG iridotomy in chronic POAG
1 April 2018
| Chrysostomos D Dimitriou
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Glaucoma
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
3 June 2024
| Miguel Kurc
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Ophthalmology
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...
Microperimetry of subretinal drusenoid deposits
1 February 2014
| Bheemanagouda Patil
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Retina / Uvea / Vitreous
Subretinal drusenoid deposits (SDD), originally termed ‘reticular pseudo-drusen’, have recently been identified by histology and optical coherence tomography (OCT) as aggregations located in the subretinal rather than the sub retinal pigment epithelium (RPE) space. These deposits affect the amount of...