You searched for "gases"

3385 results found

Quiz Oct/Nov 2024

History An 83-year-old female was previously treated by surgical excision and plaque brachytherapy for her left conjunctival lesion. She presented to her ophthalmologist with a recurrence some years later and underwent a lid sparing orbital exenteration, which was sent to...

External dacryocystorhinostomy in the management of childhood epiphora

Congenital nasolacrimal duct obstruction is thought to be caused by a membranous obstruction at the distal end of the nasolacrimal duct (NLD). Rarely, associated midline deformities in soft tissue and bony structures of the face are present in patients with...

How to maximise points for your ophthalmology portfolio as a medical student

Ophthalmology is an extremely popular and competitive career option, with one of the highest competition ratios at ST1 level entry (10:1 in 2023) [1]. It is also a highly rewarding speciality, involving: a mixture of medicine and surgery in a...

Understanding amniotic membrane grafts

Safa Elhassan gives a brief review of amniotic membrane grafts and their application in theatre and clinic-based settings. Amniotic membrane (AM) transplant has been an established adjuvant treatment for many corneal, conjunctival and scleral disorders in ophthalmic clinical practice with...

Neuro-ophthalmic disease patterns in Southeast Asia with particular reference to giant cell arteritis

As indicated in an earlier article in Eye News [1] Dr Cullen was invited in 2000 to the Singapore National Eye Centre (SNEC) as visiting Professor with a specific remit to set up a specialist neuro-ophthalmology service, which was the...

Dr William Mackenzie: a founding figure of modern ophthalmology

The author looks at the career of William Mackenzie and the important role he played in establishing the status of ophthalmology as a recognised medical speciality. There are certain individuals who, blessed with ability and means, are destined to leave...

Platelet rich fibrin membrane for descemetocele

This case series described the use of a novel technique in the treatment of descemetocele. Three patients developed descemetoceles following infective keratitis with impending risk of corneal perforation. Platelet rich fibrin (PRF) membrane was prepared using 8ml of fresh venous...

Endothelial cell loss using different graft injectors in DMEK

This study aimed to investigate endothelial cell loss between two injector systems in descemet membrane endothelial keratoplasty (DMEK) grafts; a glass injector – modified Jones tube and a plastic injector – closed system IOL injector, the Viscoject 2.2 system. DMEK...

Strabismus measurement comparisons

The authors conducted a prospective study to compare the measurements obtained by objective alternate prism and cover test (PCT) and the subjective red glass test in 72 patients aged 60 years on average and with a mean visual acuity of...

Causes of childhood open globe injuries sustained during playtime

This study explored the possible mechanisms of paediatric open globe injuries that occurred during playtime and required surgical treatment. The study was conducted in a single centre in Egypt. This was a prospective study of all children admitted with open...

Community Eyecare Services in Northern Ireland: putting the patient at the centre, improving outcomes and maximising system resource

The UK has four healthcare systems; Northern Ireland, Scotland and Wales each has autonomous legislature that develops health policy, while the UK government directly runs England’s NHS. Like the other nations, Northern Ireland is continually challenged to meet the needs...

The use of toxin in paediatric strabismus

Strabismus is a common condition that affects up to 5% children and can be associated with abnormal visual development, double vision, loss of depth perception and impaired binocularity [1]. It can also cause cosmetic concerns, negatively impact psychosocial wellbeing and...