You searched for "ophthalmic"

1711 results found

Principles of contact lens fitting in keratoconus

Keratoconus is an ectatic condition of the cornea characterised by progressive conical distortion with irregular astigmatism, myopia and apical protrusion. Most cases progress slowly resulting in varying degrees of myopic astigmatism. Management of keratoconus includes spectacles, soft contact lenses, a...

Acute management of retrobulbar haemorrhage

The authors discuss the importance of rapid diagnosis and correct management of acute RBH presentation to avoid the risk of permanent blindness. Retrobulbar haemorrhage (RBH) is an ocular emergency that occurs due to arterial bleeding in the orbital cavity behind...

Addressing diabetes-related complications in Tanzania and Eswatini: A comprehensive approach to eye and foot screening

Diabetes is rising globally, particularly in low- to middle-income countries (LMICs), where healthcare systems are under resourced [1,2]. Among its complications, diabetic retinopathy (DR) and diabetic foot disease are preventable yet frequently overlooked [3-6]. These problems often develop together due...

Prognostic AI for diabetic retinopathy: Towards the first prospective trial in the UK

Artificial intelligence (AI) is frequently described as having the capacity to dramatically change and improve healthcare. One extensively studied application of AI in ophthalmology involves the diagnosis of diabetic retinopathy (DR) or diabetic maculopathy (DM) using retinal imaging. An emerging...

Resurfacing the ocular surface

The ocular surface (OS) is an anatomical and functional unit made of the tear film, the conjunctival, limbal and corneal epithelium, the lacrimal, mucous and meibomian glands and the lids and blink reflex. The tear film is composed of a...

Coming to terms with AI

A machine might be called intelligent if its response to questions could convince a person that it was human, a test proposed by Alan Turing in 1950 [1]. The author considers potential applications of artificial intelligence (AI) using machine learning...

Obituary: Sohan Singh Hayreh (1927 - 2022)

Sohan would have been 95 on 6 November this year, but due to complications of COVID-19, he passed away on 29 September.

Acanthaemoeba keratitis

In the second of this series I describe a case of Acanthaemoeba keratitis (AK) that was misdiagnosed for a prolonged period which resulted in a devastating outcome. This is one of half a dozen similar medico-legal cases I have dealt...

The results of the last survey Oct21

This edition’s survey questions moved away from the deep and ethically charged questions of the recent surveys and focussed on simple and straightforward issues. This is really where the surveys began in exploring the minor practice variations which we have...

The results of the last survey Jun23

*Please be aware that this data does not form part of a peer reviewed research study. The information therein should not be relied upon for clinical purposes but instead used as a guide for clinical practice and reflection. I continue...

A refractive surprise after vitrectomy and capsulectomy

Figure 1: Right posterior capsule small aperture. We report a case of a pseudophakic patient who underwent vitrectomy and posterior capsulectomy. In spite of good visual acuity and absence of floaters, he was unhappy with the visual outcome. Case report...

Retinal arteriovenous malformation

A 24-year-old Caucasian girl reported to the eye clinic with the complaint of painless decreased vision in her right eye. She had no history of infectious disease, trauma, systemic malignancy or other systemic complaint. Her best corrected visual acuity was...