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A comparison of light sources in retinal imaging
Before starting to talk about the light sources present in retinal imaging, it is necessary to start from the base: the light. Light is an electromagnetic wave whose smallest part is the photon (or quantum of light). A high frequency...Ophthalmology in ancient india, Sushruta’s time and the modern era
While reading an article related to the history of Indian ophthalmology, I came across this description of a surgical procedure: “The doctor warmed the patient’s eye with the breath of his mouth. He rubbed the closed eye of the patient...
Emergency, Acute and Rapid Access Ophthalmology
There are two parts to the book; the first section makes up the bulk to the textbook and covers clinical aspects of emergency ophthalmology, and the second discusses the management and organisation of an emergency and rapid access service. Part...Third nerve palsy
Case scenarios A 71-year-old female presented to a nearby eye emergency unit with two days history of partial ptosis in her left eye with diplopia. She saw her GP earlier that day and he asked her to go to the...Eyecare challenges in the Middle East: Priorities of a global ophthalmology task force
Global ophthalmology is a rapidly evolving, multidisciplinary field that integrates clinical practice, research, and policy at national and international levels. One of its main objectives is to improve eyecare equity worldwide by preventing avoidable vision impairment. Since the launch of...Poppers retinopathy: What is it and how do we treat it?
Poppers retinopathy is a relatively unknown phenomenon which afflicts users of poppers but should be considered as a differential in sudden-onset or sub-acute visual acuity loss – particularly in patients with a history of recreational drug use. Raising awareness of...Unconscious bias
Swansea University invited me to an Away Day. There was a whole day of lectures planned at a hotel conference suite just outside Swansea but due to clinic commitments I only caught the afternoon session; a ‘workshop’, on how to...
Visual defects in deaf children and young adults
This literature review article serves as a great update on the current evidence relating to visual defects in the young deaf population. There is a good introduction with background information and demographic data relating to UK hearing impairment. The authors...
Macular hole postop positioning
The purpose of this study was to determine whether the full thickness macular hole (FTMH) closure rate with nonsupine positioning (NSP) is noninferior to the high closure rate achievable with face down positioning (FDP). All patients were pseudophakic pre macular...
Optical coherence tomography in patients exposed to vigabatrin
Vigabatrin is used to treat epilepsy and can lead to increased levels of gamma-aminobutyric acid (GABA) in the brain and in the retina leading to binasal visual field defects. Although not the first line of treatment for adults it is...
Unique case of steroid-induced intraocular pressure spike causing NAION
The literature describes previous cases of nonarteritic anterior ischaemic optic neuropathy (NAION) following rapid rises in intraocular pressure (IOP) leading to reduced optic nerve head perfusion and disruption. This is commonly following ophthalmic procedures, acute glaucoma or steroid eye drops....
