You searched for "Refraction"

2926 results found

Cataract extraction and microperimetry

In this study, the authors assessed retinal sensitivity before and after cataract extraction, in an effort to understand how lens opacities may affect microperimetry results in glaucoma and macular diseases. Thirty patients awaiting cataract extraction were examined and their lens...

Effects of phacoemulsification on IOP and drug use in glaucoma

For patients with comorbid cataract and primary open-angle glaucoma (POAG), guidance is lacking as to whether cataract extraction and traditional filtering surgery should be performed as a staged or combined procedure. Achieving this guidance requires an evidence-based understanding of the...

Preoperative povidone iodine: weighing the risks

Following on from our recent online survey, the authors examine the potential risks and benefits of diluting the concentration preoperative povidone iodine. Povidone iodine (PI) is an iodophore that has an established use as a broad-spectrum antiseptic, mainly for the...

Which cover test method is the best starting point for prescribing temporary prisms?

A retrospective review of medical records was completed, identifying consecutive patients prescribed Fresnel prisms for diplopia, assessed using both simultaneous prism and cover test (SPCT) and prism and alternate cover test (PACT) by a single orthoptist over a 36-month period....

Amblyopia treatment review

This review paper summarises the main causes and neural mechanisms that characterise amblyopia. The authors analysed neuroanatomical, neurophysiological and electrophysiological studies in the literature to better understand actual treatment regimens and evaluate new therapeutic possibilities. They considered causes of strabismus,...

Propranolol treatment of infantile haemangioma

This is a retrospective review of 104 patients treated for infantile haemangioma between January 2009 and July 2012. All patients underwent pretesting either with protocol A (administration of test dose with routine observations) or protocol B (cardiology clinic assessment, including...

Iran prevalence of amblyopia

The authors aimed to determine the prevalence of amblyopia, its relation with refractive errors and its determinants. The target population was all children aged seven years in Iran. There were 3675 of 4157 children who participated (88.4%) with final analysis...

Clinical Observation Days Pave Way for Next Generation of Optometrists

Optometry students at Glasgow Caledonian University have taken part in a series of clinical observation days at one of the UK’s leading eye surgery clinics, as part of a new programme giving student optometrists experience of modern day surgical practice.

Comparison of SIA from femtosecond laser and manual CCIs for cataract surgery

This study group compared the differences in surgically induced astigmatism (SIA) vector, flattening effect, torque and wound architecture following both femtosecond laser and manual clear corneal incisions (CCIs). A double-armed, randomised, prospective case series was conducted. Cataract surgery was performed...

Strengthening eye care services in Botswana through the Botswana-Addenbrooke’s Abroad VISION 2020 LINK

The VISION 2020 LINK between Botswana and Addenbrooke’s Abroad has been running for 10 years. With support from the VISION 2020 LINKS Programme two-way exchange visits were undertaken leading to the formation of the first formal international partnership under Addenbrooke’s...

Outcomes of treated adult-onset ET

This study describes a large cohort of 248 patients with adult onset esotropia (ET) due to a range of causes and details preoperative characteristics, operative procedures and surgical outcomes. Mean age at diagnosis was 52 years. Diagnoses included cranial nerve...

Congenital and paediatric cataract: Advances in diagnosis and management

Congenital and paediatric cataracts are relatively rare, although prevalence varies significantly between countries, influenced by factors such as nutrition, immunisation policy and population genetics [1]. In the UK, around 3–4 of every 10,000 babies are born with cataracts. It’s a...