You searched for "pupil"

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Traumatic optic neuropathy

In neuro-ophthalmology we get asked a lot about management of patients who suffered significant trauma and presented with loss of vision secondary to presumed traumatic optic neuropathy (TON). TON happens usually in the context of significant craniofacial trauma. The incidence...

A case of Miller Fisher Syndrome and bilateral asymmetric globe retraction

Miller Fisher syndrome (MFS) is a rare, acquired nerve disease that is considered to be a variant of Guillain-Barré syndrome. It was first recognised by James Collier in 1932 as a clinical triad of ataxia, areflexia and ophthalmoplegia. Later, it...

Hidden eyelid laceration following blunt trauma

A paediatric case report of a hidden eyelid laceration following blunt trauma. Blunt injury to the eyelid can result in a multitude of issues, such as damage to the eyelid margin, lacrimal system and surrounding orbit [1]. These can often...

A unique case of macular burn from ‘toy’ laser

The first laser was created in 1960 and its name is an acronym for ‘light amplification by stimulated emission of radiation’. Laser technology has been used for medical, industrial, research and entertainment purposes in a variety of fields following extensive...

“Herr Doktor, I can’t see but I am driving”

This 56-year-old lady was quite puzzling. With her own glasses and the pinhole she merely managed to see the 1.3 and 1.0 logMAR lines with her right and left eye, respectively (I am currently working in Germany again, so goodbye...

What's trending Aug/Sept 2019

#puppydogeyes Who can resist a pair of puppy dog eyes? It may be that no human can! A team of researchers discovered that dogs acquired a new forehead muscle, which is scanty or absent in wolves. This muscle is the...

Ophthalmology in a War Zone: an interview with Dr Volodymyr Melnyk

It is now nine months since the full-scale Russian invasion of Ukraine commenced in late February 2022, with Putin announcing a “special military operation” to “denazify and demilitarise” Ukraine. The rest of the world, however, saw it for what it...

Surgical treatment of high myopia

Although several excellent modalities are available for correcting high myopia, the surgical treatment of this condition remains one of the biggest challenges for refractive surgeons; this group of patients is often very dependent on contact lenses. If these patients become...

Real-world experience and outcomes of SLT laser used as a first-line treatment in ocular hypertension patients in a United Kingdom National Health Service setting

The management of raised intraocular pressure (IOP) in the context of ocular hypertension (OHT) and primary open angle glaucoma (POAG) remains a major contributor to the workload of ophthalmology units across the UK. Treatment of these conditions has historically centred...

Streamlining cataract lists: how are you managing it?

Mr Jonathan Ross, in conversation with Ms Bita Manzouri, provides a personal perspective on challenges and opportunities shaping the future of cataract surgery services across the hospital eye service. Redesigning cataract pathways in response to COVID-19 Bita Manzouri: Over the...

Surgical options for the treatment of hyperopia

The modern refractive surgeon has a variety of options available to treat patients with hyperopia who wish to be independent of spectacles and contact lenses. Unlike in low myopia where presbyopic patients may have the ability to see well for...

Simulating the visual impairment symptoms of age-related macular degeneration in virtual reality

A new virtual reality application visually simulates age-related macular degeneration and demonstrates its progression over time including some Charles Bonnet syndrome hallucinations. Introduction Age-related macular degeneration (AMD) is the leading cause of blindness in developed countries with the prevalence of...