You searched for "zonules"

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The assessment of pupils and 
pupillary reactions

Understanding pupillary reactions is vital in understanding basic neuro-opthalmology. It is a skill required in eye casualty, clinics and perhaps most importantly, exams. To start at the beginning, the pupil is the central aperture of the iris, its size controlling...

Charity work in Cambodia: Culture, cataracts, and cruelty

Cambodia has one of the lowest numbers of eye specialist doctors per capita in the world, and Bita Manzouri takes us on a journey into the charitable work of the Khmer Sight Foundation who are working to combat this. “Ut...

Managing a dislocated intraocular lens

A 70-year-old male patient is referred from the optician with a history of onset of double vision and examination shows a dislocated / subluxated IOL. How will you manage this patient? If the double vision is causing serious concern to...

Feb/Mar 2015 Quiz 1

A 79-year-old male presented to the ophthalmic emergency department with a three week history of left eye pain. He also reported visual deterioration in the left eye over the same period. He suffered from degenerative myopia, with his spectacle prescription...

Longitudinal findings in children with neurofibromatosis type 1

This retrospective chart review evaluates the ophthalmologic findings of children with neurofibromatosis type 1 (NF1). Optic pathway gliomas (OPGs) are the most common tumours found in children with NF1. Findings are compared between eyes with and without optic pathway gliomas...

Incidence and factors associated with complication of sutured and sutureless cataract surgery following PPV

This is a retrospective review of 485 patients who had undergone phacoemulsification and IOL implantation after previous pars planar victrectomy (PPV) surgery between May 2000 and May 2014. The incidence and factors contributing to complications were studied. The most common...

Lens surgery in patients with lens subluxation misdiagnosed as primary angle-closure glaucoma

Lens subluxation can be caused by many conditions including Marfan syndrome and other hereditary conditions, and blunt trauma. Lens displacement can cause pupillary block and angle closure. This is commonly misdiagnosed as primary angle closure glaucoma (PACG), which can lead...

Choroidal defects in neurofibromatosis

The aim of this study was to investigate the frequency of choroidal abnormalities using infrared reflectance imaging with optical coherence tomography (OCT) in paediatric patients with neurofibromatosis (NF) type 1. Thirty-eight eyes of 19 patients were reviewed. NF1 was diagnosed...

Quiz Apr/May 2023

History A 76-year-old female presented at her local district general hospital with right decreased visual acuity, glare, and foreign body sensation, in addition to longer-term dry eyes. She was otherwise well. Her past medical history included hypertension. On examination: vision...

Neurofibromatosis type 1 features

The aim in this study was to identify the incidence and de nova mutation rate of Neurofibramatosis type 1 (NF1) and describe the ocular and non-ocular findings in a population-based cohort of patients diagnosed over a 30-year period. The study...

Optimising treatment with transscleral cyclophotocoagulation

This study compares the outcomes of transscleral diode laser cyclo-photo-coagulation with the treatment parameters used. This was a retrospective chart review of a random sample of diode laser procedures using the G-probe over 10 years for uncontrolled glaucoma. The main...

Aqueous misdirection: a case series of unexpected surgical complications

Aqueous misdirection (AM), also known as malignant glaucoma, is a form of secondary glaucoma that typically presents with shallowing of the anterior chamber (AC), raised intraocular pressure (IOP), and reduced visual acuity (VA) in the presence of patent peripheral iridotomies...