You searched for "Optics"

1420 results found

OCT measures of lateral and medial recti

The authors assessed the agreement of the measurements of the horizontal rectus muscle insertion distance to the limbus and the muscle thickness between three different OCT devices. This was a cross section observation study of 70 eyes of 35 subjects....

FAZ measurement on OCTA

This paper aimed to test the AngioVue OCTAs reproducibility and interoperator concordance in evaluating the size of the foveal avascular zone (FAZ). The authors also investigated how the FAZs representation on the OCTA varied after metabolic activity. The right eye...

Anterior segment OCT imaging in cases of episcleritis and scleritis

The purpose of this study was to determine whether it is feasible to obtain good-quality images with anterior segment OCT (AS-OCT) in patients with episcleral or scleral inflammation located anterior to the equator, and whether this technique is able to...

OCT positioning regimen in macular hole surgery

The authors set out to evaluate an OCT-based positioning regimen for macular hole surgery. Patients were advised to maintain prone positioning until the hole was confirmed to be closed based on daily OCTs. Surgery consisted of 23-gauge phacovitrectomy with internal...

What's trending Jun/Jul 2021

A round-up of the eye-related hot topics that have been trending on social media over the last few weeks. #blindpensioner #teachescooking #cookbook Simon Mahoney lost his eyesight to uveitic glaucoma. His wife was his main carer and did most of...

Pituitary tumours: why are they so often missed?

Part 3: Clinical features, assessment and management (see also Part 2, and Part 1) As previously mentioned in this treatise [1] pituitary tumours are common, occur in all age groups and can present with anything from minimal visual symptoms to...

Regulatory drug evaluations and expedited review initiatives: EU and US perspectives

The European Medicines Agency (EMA) and United States Food and Drug Administration (FDA) each conduct independent assessments of benefit-risk profile when evaluating applications to market new or modified medicines, and their respective decision-making is guided by distinct legislation, procedures and...

Randomised controlled trial for large-angle exotropia surgery

The purpose of this study was to investigate single eye, single setting surgical options to correct 80–90PD of exotropia with two options of muscle transplant and suture hang-back recession. There was retention of anatomical limits of 6mm resection for medial...

Comparison of bupivacaine injection vs. mini-tenotomy for small angle deviations

Bupivacaine hydrochloride is an aminoacyltype local anaesthetic. Injection into extraocular muscles elicits a myotoxic response destroying striated muscle fibres but sparing satellite cells, nerves and vessels. Preserved satellite cells proliferate to form new muscle fibres, causing muscle hypertrophy and greater...

DMEK vs. UT-DSAEK: has the debate been finally concluded?

In recent years the surgical treatment of corneal endothelial dystrophy has progressed tremendously. Descemet’s membrane endothelial keratoplasty (DMEK) is the newest iteration in the line of rapid surgical advances that has taken place. However, the previously accepted gold standard prior...

Acetylcholine receptor antibodies in the diagnosis of ocular myasthenia gravis at the Manchester Royal Eye Hospital

Myasthenia gravis (MG) is the commonest autoimmune condition to affect the neuromuscular junction. In the UK, its prevalence is 15 per 10,000 [1,2] and recent studies have shown that rates are steadily increasing [3,4]. Aims of this audit The aim...

Happy hour

Welcome Eye News Aug/Sep 2023, your bi-monthly tonic for a much-needed happy hour. In the current climate of challenge across all fronts, there’s no better time to reach out for the professional equivalent of a cheery cup in the company...