You searched for "radiation"

3669 results found

Progressive myelination of the retinal nerve fibre layer: Acquired or incidental?

*Co-first authors.Myelinated retinal nerve fibres are retinal nerve fibres encased by a myelin sheath, located anterior to the lamina cribrosa [1]. First described by Virchow in 1856, a myelinated retinal nerve fibre layer (RNFL) appears as a whitish, feathery patch...

Mindfulness and cataract surgery experience in ophthalmology doctors in training

Mindfulness can be described as the state in which one is to be fully present in the moment, which draws parallels with surgery. The origins of mindfulness stem from ancient Buddhist traditions, and its utilisation in recent times in the...

CD40L activation of human RPE cells

Age-related macular degeneration (AMD) is the leading cause of reduced visual acuity in the elderly worldwide. The risk factors involved in AMD include smoking and diet, while genetics have been shown to have a significant role. Recently a link between...

Horizontal recti injection of botulinum toxin for treatment of infantile nystagmus

In this study the authors aimed to demonstrate the effect of botulinum toxin (BT) on the frequency of ocular oscillation in children with infantile nystagmus syndrome (INS). Botulinum toxin was administered with direct injection into the horizontal recti muscles using...

Placement of an eyelid weight as an upper lid spacer for lagophthalmos

Upper lid loading with a weight is a well described procedure for the treatment of lagophthalmos and exposure keratopathy. The authors describe a modification of this procedure whereby the levator aponeurosis is recessed in combination with supratarsal weight implantation. The...

Stereo distance in XT

The test distance effect on stereoacuity was explored in a population with intermittent exotropia along with use of two types of stereograms with crossed and uncrossed disparity. At near and distance distances, the median for both disparities was 60”; 79%...

Strabismus in high myopia

The authors report the occurrence of exotropia-hypotropia complex in 15 cases of high myopia. The mean age at presentation was 23.5 years (10-35 years). Only two patients had high bilateral myopia. The mean axial length of the deviating eye was...

BT for cyclic esotropia

This paper describes two patients with childhood cyclic esotropia treated with botulinum toxin (BT) and followed for eight and nine years. Onset was at two and four years of age. BT was injected under electromyography (EMG) guidance bilaterally to medial...

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...

Should points for simulated surgery be removed from the ophthalmology ST1 evidence folder?

The benefits of the Eyesi surgical simulator by Haag-Streit UK for early career ophthalmology speciality trainees are well-established, allowing for the practice of cataract and vitreoretinal surgery in a controlled, risk-free environment. Whilst the Eyesi is an invaluable resource for...

An update on inherited retinal disorders (part 1) – overview and assessment of inherited retinal disease

Part 2 of this topic can be found here Inherited Retinal Disease (IRD) is the leading cause of blindness certification in the working age population (age 16-64 years) in England and Wales and the second most common in childhood [1]....

Quiz Oct/Nov 2022

History An Afro-Caribbean woman, aged 30, with “scleral tattooing” for cosmetic reasons (subconjunctival dye injection), presented with bilateral upper and lower eyelid oedema for one week, and she also had restricted eye movement and blurry vision in her right eye....