You searched for "Optics"

1420 results found

Traumatic ‘toy’ gun injury leading to permanent vision loss

Pseudoxanthoma elasticum (PXE) is a progressive, inherited disorder of connective tissue that affects the skin, cardiovascular system and retina. Ocular manifestations of the disease are related to Bruch’s membrane, a thin elastic tissue layer located between the retinal pigment epithelium...

Usher syndrome: an overview

Usher syndrome is the most common hereditary condition that affects both vision and hearing. It is an autosomal recessive condition characterised by retinitis pigmentosa (RP) and bilateral sensorineural hearing loss [1,2]. Usher syndrome is the cause of approximately 10% of...

Landmark review of glaucoma treatment and research published by Moorfields-led team

Four world-leading experts, including Hari Jayaram and Gus Gazzard from Moorfields, have combined their knowledge with the findings from over 150 peer-reviewed study publications to produce a landmark paper published in the Lancet.

Corneal transplantation in the United Kingdom: are we blind to the challenges that still exist after the Organ Donation Bill?

Corneal transplantation (CT) is a significant treatment option for a huge number of patients in the United Kingdom (UK) [1]. For an individual, CT results in a substantial improvement in quality of life. Penetrating keratoplasty with full thickness grafting has...

Vitreomacular traction and full thickness macular hole

Clinical scenario: A 64-year-old lady presented to the clinic with a few weeks history of sudden onset of metamorphopsia, central blur and reduced vision in her right eye. The ocular examination and ocular coherence tomography confirmed right eye focal vitreomacular...

The fragile p-value

Abdus Samad Ansari explores the limitation of the p-value and the application of the fragility index in clinical trials. Clinical trials and tribulations? The restoration of vision or more purely the gift of sight is an aspect of care that...

Study reveals increase in Charles Bonnet Syndrome symptoms due to COVID-19

A study published today in BMJ Open Ophthalmology has shown the impact of COVID-19 on those already experiencing vivid hallucinations as a result of Charles Bonnet syndrome (CBS).

Video Atlas of Oculofacial Plastic and Reconstructive Surgery

The second edition Video Atlas of Oculofacial Plastic and Reconstructive Surgery by Korn and Kikkawa provides an overview of traditional and contemporary reconstructive and cosmetic eyelid, lacrimal and orbital surgical procedures. The book includes of 1600 intraoperative illustrations, in addition...

Undetected retinoblastoma management following vitrectomy

This retrospective study from a single-centre referral university hospital in Germany analysed data collected between 1991-2019 to comment on management and complications of undetected retinoblastoma eyes following vitrectomy. The 10 patients included had a mean age of 36.1 months (range...

Orbital Schwannomas

This is a large case series of orbital Schwannomas managed at a single centre over a 26-year period. Twenty Schwannomas are reported, all but one of which was managed surgically. The tumours were all benign, had an insidious onset and...

Patterns of binocular diplopia in giant cell arteritis (GCA)

Giant cell arteritis (GCA) is a granulomatous vasculitis that targets medium and large sized vessels. Binocular diplopia has been reported in a small number of patients with visual manifestations of GCA. It can be caused by ischaemia in any segment...

The ocular manifestations of COVID-19: an overview of current literature

Although respiratory symptoms are the most frequent manifestation of COVID-19, multi-organ involvement has been demonstrated, including ocular manifestations. The author investigates how the eye can be affected. The SARS-CoV-2 virus responsible for the COVID-19 pandemic has presented a significant public...