You searched for "light"

3227 results found

Microperimetry of subretinal drusenoid deposits

Subretinal drusenoid deposits (SDD), originally termed ‘reticular pseudo-drusen’, have recently been identified by histology and optical coherence tomography (OCT) as aggregations located in the subretinal rather than the sub retinal pigment epithelium (RPE) space. These deposits affect the amount of...

Strabismus in thyroid eye disease

Pathogenesis Thyroid eye disease (TED) is an auto-immune condition, in the initial phase there is lymphocytic infiltration and oedema of the extraocular muscles with deposition of glycosaminoglycans and hyaluronic acid and adipogenesis, which can lead to an increase in the...

Smart speakers: for patients and practitioners

Many readers will have experience of using smart speakers, such as the Amazon Echo or the Google Home. These popular devices are inexpensive and powerful. In brief, smart speakers listen for a spoken trigger word, followed by verbal commands. Commands...

The visual field of empathy: What ophthalmology taught me about seeing the patient

It was a busy shift on the ward. Amongst the chest pains and fevers was an older woman referred for confusion. She was quiet, polite, and compliant – the kind of patient who doesn’t raise alarms. As we spoke, I...

Avoiding investigations through history taking and examinations to differentiate serious from comparably benign aetiology

*Joint first authors. Introduction Anisocoria can be a sign of neurological deficit, necessitating numerous investigations [1]. This case report explores how expensive and time-consuming investigations can be avoided by thorough history taking and examination to differentiate serious from comparably benign...

10 daily habits damaging your eyesight and changes you can make to remedy against them

Following World Glaucoma Day on 12 March this year, it is vital that the longevity of our vision is always a priority. However, many of our daily habits contribute to the onset of glaucoma and vision loss.

A Shared Vision: national clinical director outlines plan for eye care transformation

This session will explore how nationally coordinated eye care can deliver improvements to patient outcomes, what should be the priorities and where responsibility for policy delivery sits across the NHS architecture. Attendees will have the opportunity to both learn more about NHS England’s ongoing work to support improvements to eye care and input into that process.

Embracing assistive technology in the fight against sight loss

The author shares his own experience of sight loss and explains the vital role assistive technology can play in the lives of visually impaired patients. There is no doubt that sight loss continues to be a clear and present danger,...

OrCam MyEye – innovative sight assistance (Part 1)

For Jun/Jul 20201 and Aug/Sep 2021 we have a two-part review (see Part 2 here) of an innovative piece of sight impairment technology. The device is called a MyEye, made by OrCam. I was given the opportunity to use the...

The curse of the college museum

David Greig lecture notebook. Courtesy of Dr Jacqueline Cahif, College Archivist, Royal College of Surgeons of Edinburgh. As sure as the inevitability of death and taxes, the hidden stories of past events will intermittently rise to the surface like oil...

Sleep positions and the effect on IOP

The authors describe a study to determine if sleeping at a 20 degree head up position decreases nocturnal IOP compared with lying supine in patients with and without glaucoma. They recruited 30 patients (60 eyes) 15 with glaucoma and 15...

Portable corneal topography – exploration of a prototype

Ophthalmic imaging devices, such as corneal topographers, are not widespread in the developing world. A small device that connects to a smartphone might be a solution to improve developing nation access to corneal imaging. I recently had the opportunity to...