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The Preston Rule

The selection, specification and fitting of a spectacle frame necessitates the recording of certain measurements particular to the frame. These measurements are also essential when it is required to manufacture a handmade spectacle frame. Instruments designed to accomplish this task...

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...

Caring for adults with an ocular tumour

Detection If you screen for an intraocular tumour, dilate the pupil. If the patient is driving, use phenylephrine only. If the patient declines, document this in the casenotes. Don’t forget to look for sentinel vessels, which would indicate a ciliary...

Congenital cranial dysinnervation disorders (CCDDs)

The term congenital cranial dysinnervation disorder (CCDD) was introduced by Gutowski et al. in 2003 to describe strabismus conditions that result from developmental error in innervation of some of the extraocular muscles. Examples of these conditions include Duane’s syndrome and...

What's trending Oct/Nov 2020

A round-up of the eye-related hot topics that have been trending on social media over the last few weeks. #oldEnglish #herbalremedies Researchers from the University of Warwick, investigating natural remedies to treat bacterial infections, have discovered a potential new treatment....

What's trending Apr/May 2022

A round-up of the eye-related hot topics that have been trending over the last few weeks. #ArgusI #ArgusII #bioniceye #retinitispigmentosa #SecondSight Remember Argus I & Argus II? Its star burned bright, touted as the future of treatment for retinitis pigmentosa....

Biometry and IOL choice errors

In the next instalment of this series I focus on problems associated with biometry and intraocular lens (IOL) selection for cataract surgery. I have taken previous medicolegal cases I have dealt with and tried to extract some learning points and...

Development of retinoblastoma services in Zimbabwe

Zimbabwe recognised the need for a paediatric ophthalmology service almost 20 years ago. The economic uncertainty in the country made it difficult to secure financial support, so initial funding came through local donors. Equipment – including vision charts, ophthalmoscopes and...

Don’t ignore the black lesion! It might be mucormycosis

Keeping mucormycosis infection in the foreground of your differential diagnosis, especially in those more vulnerable patients, will help save their lives if recognised and managed appropriately. Mucormycosis is a fulminant infection caused by the fungi of the family Mucoraceae. It...

The approach to trabeculectomy postoperative complications

Performing a trabeculectomy is like giving birth to a baby. It may be traumatic and there is scope for devastating error but once the operation is completed only then does the real work begin. The bleb must be nurtured into...

Ocular bubbly: a vitreoretinal update on the art of gases

The authors remind us of the revolutionary impact gases have had on retinal surgery. In 1938, Rosengren attempted to improve his retina repair surgical outcomes [1]. He discovered that suturing the retina or pressing externally on the sclera were not...

The 2021-2022 ophthalmology ST1 application process

Harry Rosen updates us on what is involved in the current UK Ophthalmology Specialist Training (OST) programme application process. The process of applying to the UK Ophthalmology Specialist Training (OST) programme is constantly changing each year, adapting to the needs...