You searched for "Refraction"

3066 results found

Cytokine levels in vitreous fluid in patients with pathological myopia

Pathological myopia (PM) is a leading cause of irreversible visual impairment worldwide, and efforts are dedicated to the study of its underlying mechanisms. Axial extension of the eyeball is regulated via a cascade of biochemical molecules that are initiated in...

Exotropia control score versus angle

The authors aimed to evaluate the relationship between family history and deviation control in intermittent exotropia, and the effects of age, sex, angle and refractive status on deviation control. This was retrospective review of 54 patients aged 7.7 ±4 years...

Graded Andersons procedure for nystagmus

The authors performed a recession of yoked muscles in patients with idiopathic infantile nystagmus (IIN) in a graded manner based on the amount of head turn. This was a retrospective case series of 37 patients; 26 males, 11 females aged...

Visual acuity conversion to digital acuity

The author proposes a basic set of evidence-based digital acuities for alpha vision to facilitate formatting of visual acuity data uniformly. This work was informed by a review of the literature. A full table provides US and international classification of...

Managing a patient with ptosis

A 50-year-old male patient is referred from the Accident & Emergency department with a history of ptosis. How will you manage this patient? Mr Bertie Fernando Clinical management Clinical management starts with a sound clinical history. Current history The history...

Old dogs

It is always nice to get a thank you card, especially so when it comes from someone at the tail end of an overbooked clinic who had waited patiently well past their appointed slot. Such was the case when I...

Use of group consultations in the management of idiopathic intracranial hypertension

The incidence of idiopathic intracranial hypertension (IIH) has risen by >100% between 2002 and 2016 in the UK, in association with rising obesity rates. This increasing incidence has inevitably led to increased pressures on service capacity. Evidence for other conditions...

Effects of orbital decompression on duction, cyclotorsion and diplopia

This is a retrospective review of 156 patients (281 eyes / orbits) with Graves Orbitopathy (GO) who had orbital decompression (OD) between 2016 and 2020 from Amsterdam, Netherlands. Data analysis of type of OD, eye position, duction, cyclotorsion and level...

Intraocular Lens Surgery

This book is a valuable update on understanding IOL surgery for ophthalmologists in training and in practice. Broadly, the book is divided into six sections dealing with three main concepts: 1) IOL selection for routine and complex scenarios; 2) IOL...

Streamlining cataract lists: how are you managing it?

Mr Jonathan Ross, in conversation with Ms Bita Manzouri, provides a personal perspective on challenges and opportunities shaping the future of cataract surgery services across the hospital eye service. Redesigning cataract pathways in response to COVID-19 Bita Manzouri: Over the...

A career in uveitis

As he retires from clinical practice, the author looks back on his long career in uveitis and how care of these patients has changed dramatically since his days as an undergraduate. My trainees and fellows are often bored by my...

Ametropia prevalence and types in China

This study aimed to determine the prevalence and type of ametropia in Yunnan multi-ethnic regions. The study included 24,296 students aged 7-12 years (90.99%) in the study area of five different regions. There were 51% males and 32.2% minorities. Ametropia...