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1103 results found

Microcatheter in the vertebral artery as a cause of branched retinal artery occlusion?

A 19-year-old male presented to eye casualty with a seven-day history of a ‘blurred patch’ in the left eye. The patient denied any other visual symptoms including flashes or floaters and there had been no change in visual symptoms in...

Ultrasound biomicroscopy (part 2): primary angle closure

Patients with primary angle closure or primary angle closure glaucoma [PAC(G)] comprise a significant subgroup affecting around 10% of glaucoma patients amongst Caucasians. Assessment of the patient with angle closure, or narrow angles, requires gonioscopy. However, whilst identifying the presence...

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...

Pupil abnormalities after orbital surgery

This is a retrospective review of 287 patients who underwent removal of an orbital cavernous haemangioma (cavernous venous malformation), to ascertain the incidence of surgically induced pupillary abnormalities. Forty-four patients had lesions removed from the anterior or extraconal orbit, none...

Sliding lower lid tarsal flap

This is a retrospective review of a lower lid reconstructive technique utilising a sliding tarsal flap. Thirty-two patients who had undergone Mohs surgery were included and each had a shallow marginal defect with at least one remaining tarsal edge having...

Changes in corneal endothelial layer after strabismus surgery

The purpose of this study was to investigate the changes in the corneal endothelial layer by specular microscopy after surgery in patients with horizontal and oblique strabismus. Eighty-three eyes of 56 patients were evaluated prospectively. There were three subgroups: one...

Unique case of steroid-induced intraocular pressure spike causing NAION

The literature describes previous cases of nonarteritic anterior ischaemic optic neuropathy (NAION) following rapid rises in intraocular pressure (IOP) leading to reduced optic nerve head perfusion and disruption. This is commonly following ophthalmic procedures, acute glaucoma or steroid eye drops....

The embryology of the eye

Nobody claims to like embryology. At least nobody I know. It has been a neglected part of the curriculum since time immemorial and a vicious cycle occurs in which those with an incomplete understanding fail to appreciate the inherent beauty...

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...

Normal values with Orbscan IIz corneal topography

This study aimed to establish a database of normative measurements of corneal typography in children aged 5-15 years with the Orbscan IIz corneal topography system. They assessed 100 eyes of 100 children. The mean SimK astigmatism was 0.69±0.35D. The maximum...

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...

Acute uveitis from late migration of soft lens matter 10 years post cataract surgery

A 58-year-old Caucasian male presented to the emergency eye clinic with a two-day history of a painful, red left eye and blurred vision. His past ocular history included uncomplicated left phacoemulsification cataract surgery in 2010 and left retinal detachment repair...