You searched for "Optics"

1915 results found

Sight test saves Norma’s life

When you go for an eye test, the last thing you expect to be diagnosed with is a heart attack, but that is exactly what happened to a woman from Greater Manchester. Norma, from Stockport, was telling her story as...

Why Ophthalmology?

Ophthalmology is a medical specialty that deals with eye diseases and helps preserve vision. The ophthalmic community consists of a wide range of healthcare professionals who work together to address eye-related problems in many extraordinary ways. This article explores the...

Essentials of OCT in Ocular Disease

Sir Isaac Newton was the first to establish the technique of low coherence white light interferometry. Following on from this, the principle of laser interferometry as an imaging modality for retina was applied by David Huang and his associates in...

Oxford Handbook of Ophthalmology (Fourth Edition)

No matter what speciality you do there will always be a couple of core textbooks that everyone seems to recommend. When it comes to ophthalmology one of the most commonly cited ones is the Oxford Handbook of Ophthalmology. Having used...

Blame the lens – not its position – in refractive surprise

Aetiology of postoperative refractive surprise Weber coined the term “wrong eye, wrong intraocular lens, wrong patient” in 2008 as an aide memoir of major factors believed to underlie refractive surprise – defined as a significant unintended difference between dioptric refraction...

A standardised strategy for uveitis etiological diagnosis

This was a prospective, non-inferiority, multicentre randomised control trial, which aimed to assess the effectiveness of a standardised approach in the etiological diagnosis of uveitis versus an open strategy, where clinicians could perform any test. The authors developed their standardised...

Safe cataract extraction with underlying hypotonous cilio-choroidal detachment following trabeculectomy surgery

The authors of this study (including the reviewer of this article) describe a surgical technique for phacoemulsification in the presence of shallow choroidal detachment owing to hypotony following trabeculectomy. In their case series, four eyes of four patients with advanced...

Four key questions and answers for glaucoma practitioners

In this discussion paper the authors pose four questions for the clinician diagnosing and monitoring glaucoma, and supply evidence-based answers. Worldwide, the most common functional test used to diagnose and monitor glaucoma is static automated perimetry, most typically with a...

In conversation with Dr Robert B Nussenblatt

Dr Robert B Nussenblatt is Chief of the Laboratory of Immunology at the National Eye Institute, an eminent ocular immunologist and an expert in clinical research design and conduct. Describe the success or relevance of the SUN project. The Standardization...

New UK study finds widespread hidden sensory loss

One in four over-50s has vision impairment and three quarters have some hearing loss. Groundbreaking research involving eye tests and hearing examinations with more than 500 over-50’s – the first of its kind in the UK – has revealed widespread...

AI can identify treatment gaps for patients with macular disease, study shows

Using artificial intelligence (AI) in eye clinics could reduce both undertreatment and overtreatment of neovascular or ‘wet’ age-related macular degeneration (AMD). AMD is the leading cause of irreversible vision loss in older people and accounts for around 1 in 10...

ANTS Imaging Competition 2025

The ANTerior Segment Imaging Competition from Eye News and Keeler promotes and celebrates the work of slit-lamp imaging, culminating in cash prizes and exposure for its winners. After a successful run in 2024, the ANTS Imaging Competition returned this year...