You searched for "iris"

180 results found

The interpretation and use of ultrasound biomicroscopy (part 1)

Ultrasound Biomicroscopy (UBM) has become increasingly important for the diagnosis of a variety of anterior segment pathologies. Most ophthalmologists are familiar with conventional B-scan ultrasonography techniques, which operate at lower sound frequencies (7.5 to 20MHz). UBM is an ultrasound technique...

Update on primary angle closure glaucoma

This review article considers primary angle-closure glaucoma which is responsible for half of glaucoma-related blindness worldwide. Angle closure is characterised by appositional contact between the iris and trabecular meshwork. It tends to develop in eyes with shallow anterior chambers, anteriorly...

How are pigment dispersion syndrome and pigmentary glaucoma inherited?

This single centre prospective, cross-sectional study assessed the relatives of patients with pigment dispersion syndrome (PDS) and pigmentary glaucoma (PG) to determine the heritability of these conditions over an 11 month period. One hundred and one unrelated patients with PDS...

Viral uveitis

This review covers viral causes of anterior uveitis. A viral aetiology should be suspected when anterior uveitis is accompanied by ocular hypertension, diffuse stellate keratic precipitates or the presence of iris atrophy. Most common viruses associated are herpes simplex, varicella-zoster...

Endothelial keratoplasty (EK) with anterior chamber intraocular lens (ACIOL) versus secondary posterior chamber lens (PCIOL)

This is a retrospective study of 82 eyes (23 ACIOL, 59 PCIOL) with a history of either pseudophakic (PBK) or aphakic (ABK) bullous keratopathy, who had descemet stripping automated endothelial keratoplasty (DSAEK) with retained or secondary ACIOL, or DSAEK with...

Aug/Sep 2014 Quiz 1

History A 50-year-old female with a history of smoking, weight loss and cough presents to the ophthalmology clinic with a distorted pupil. Examination reveals a mass on the surface and within the iris (see Figure 1). The ophthalmologists decide to...

Ectopia lentis management

This review discusses the management of non-traumatic ectopia lentis in the paediatric population focussing on the variety of surgical options for these patients. The review considers visual sequelae and conservative management, limitations for surgery with respect to historical and current...

A Multidisciplinary Approach to Neovascular Glaucoma in a Patient with Waldenström’s macroglobulinemia

An 84-year-old Caucasian male attended eye casualty with a four month history of reduced vision, a dull ache and photophobia in both eyes. He had also reported dizziness, weakness and intermittent epistaxis in the nine months prior to presentation. There...

Retreatment of myopic LASIK with femtosecond and custom ablation

The purpose of this study was to identify the risk factors for retreatment post laser in situ keratomileusis (LASIK). A retrospective chart review was carried out for a four-year period and all patients who had undergone LASIK at the Boston...

Ocular Trauma Scores in paediatric open globe injuries

This is a retrospective case series of 71 open globe injuries in children of less than 18 years of age, with a minimum follow-up period of one year, between 1 September 1992 to 31 July 2011, from the Eye Department...

Fifteen-year results of phakic artisan IOL for hyperopia correction

This retrospective review of a cohort of 61 eyes from 32 patients offers long-term results for phakic Artisan (Ophtec BV) iris-fixated phakic IOL (IF-pIOL). The mean age at surgery was 41.6 years with a range of 25-59 years. Refractive outcomes...

Management and outcomes of congenital fibrovascular pupillary membranes (CFPM)

Congenital fibrovascular pupillary membranes (CFPM) is defined as a white fibrous membrane across the pupil which may be an ectopic iris tissue arising from the aberrant migration of neural crest cells or a variant of persistent fetal vasculature. The authors...