You searched for "Radiation"

3633 results found

Fundamentals of Ophthalmic Practice

Fundamentals of Ophthalmic Practice is a handy guide for eyecare professionals at all stages, including ophthalmology trainees, nurses, orthoptists, and optometrists. This book provides clear, step-by-step instructions across essential ophthalmic procedures, making it an ideal resource for those building foundational...

Choroidal folds

Choroidal folds are undulations of the choroid, Bruch’s membrane and pigment epithelium, with wrinkling of the overlying retina. They may be idiopathic but can also be caused by a number of different conditions. Case report A 60-year-old male patient was...

Smartphone based visual acuity

Smartphone technology is becoming widely available to all age groups and settings. Apps using Snellen acuity charts are widely available and this study evaluated the equivalence of a smartphone-based visual acuity chart with a standard 6m Snellen visual acuity (6SVA)...

Millions of patients benefitting from improved care as new NHS IT software rolled out

Innovative IT software designed to tackle waiting lists and reduce discharge delays has been rolled out across more than two thirds of the NHS. The NHS Federated Data Platform securely brings together data currently held in separate systems, making it...

Association of sleep problems in children with visual impairment

The intention of this study was to investigate sleep problems in children who had a wide range of visual impairments. Recruitment was via an online survey distributed through the National Federation of Blind and National Organisation for Albinism and Hypopigmentation,...

Seeing with fresh eyes: Snails as a system for studying sight restoration

Stowers scientists have established the apple snail as a new research organism for investigating eye regeneration, which may hold the key for restoring vision due to damage and disease. Snails are slimy, simple creatures yet one species, the apple snail,...

SILMO 2019: Anything goes, but sustainability grows

Trying to spot the trends at this year’s SILMO in Paris, one of the largest optical fairs in the world, was a tough ask. Thin metals, especially in rose gold, abounded, but that’s now; tomorrow remained elusive.

Addressing medical risk factors for diabetes and understanding the new systemic treatments

As global diabetes figures continue to rise, the importance of reducing the burden of macrovascular and microvascular complications of diabetes has never been so great. By 2025 it is estimated that five million people in the UK will have diabetes...

Intensive diabetes therapy and ocular surgery in type 1 diabetes

The Diabetes Control and Complications Trial (DCCT) ran between 1983 and 1993 and showed that intensive glycaemic control was beneficial in reducing diabetic retinopathy in type 1 patients. There was a 76% reduction in onset of retinopathy and a 52%...

Aug/Sep 2014 Quiz 2

History A 27-year-old man presented to the emergency department with blurred vision and central scotoma in the right eye (RE) over the previous weeks. He had no relevant medical history and he was not on any current medication. However, he...

Nystagmus and associated diagnosis

Patients with nystagmus attending a Low Vision clinic in Sweden were included in this study. Medical records were reviewed to exclude those with general diagnoses that could explain the nystagmus. The remaining group of patients underwent subjective refraction, retinoscopy, ocular...

Manometric tear duct irrigation system against the conventional lacrimal syringing

The authors assessed the lacrimal outflow resistance with a modified irrigation system. The manometric tear duct test (mTDT) comprised of a 6mm thin wall 25 gauge lacrimal cannula which was attached to a bag of normal saline by standard fluid...