You searched for "Optics"

1883 results found

Gender and ethnicity related differences in optic nerve head

The authors investigated the effect of ethnicity and gender on optic nerve head morphology comparing Indian and Caucasian males and females. The optic nerve head was investigated using spectral-domain optic coherence tomography (SD-OCT). Results showed that disc and rim areas...

Is optic disc drusen a risk factor in young patients with anterior ischaemic optic neuropathy?

This retrospective cross-section multicentre study reviewed 65 patients all younger than 50-years-old with non-arteritic anterior optic neuropathy (NA-AION) between April 2017 and March 2019. The purpose of this study was to investigate if there was a link between Optic Disc...

Long-term follow-up of OPGs in neurofibromatosis type 1

This retrospective observational case series reports outcomes of children followed-up for at least 10 years with optic pathway glioma (OPGs) related to neurofibromatosis type 1 (NF1) between January 1985 and July 2007. They observed 45 children for a mean of...

Progression in the Early Manifest Glaucoma Trial

The Early Manifest Glaucoma Trial (EMGT) had previously demonstrated without doubt that intraocular pressure reduction decreased the risk of progression in patients with early glaucoma. In this analysis of 306 eyes over eight years from the EMGT, perimetric and optic...

Choroidal vascularity in NAION

The authors present a cross-sectional, non-interventional study of healthy volunteers and those with non-arteritic anterior ischaemic optic neuropathy (NAION) recruited over a six-month period at a single site. NAION is the most common cause of acute optic neuropathy over the...

Handbook of Pediatric Retinal OCT and the Eye-Brain Connection

Paediatric optical coherence tomography (OCT) imaging of the eye remains an evolving technology to date. This handbook delves into this challenging area successfully and gives a comprehensive and detailed input into paediatric OCT pertaining to the retina and the optic...

Presidency changes hands at the International Opticians Association (IOA)

This year saw the baton of the presidency of the International Opticians Association (IOA) handed from Fiona Anderson to Donald Crichton BSc (Hons) FBDO.

Axial length measurement advice to be shared in webinar

The first BCLA webinar of 2024 will look at using axial length measurement as a guide for decision making around myopia management.

Inaugural IP education session hailed a hit

A pioneering session has brought together a group of independent prescribers to create content ‘for practitioners by practitioners’ for use in real world scenarios.

300 MCQs for the Duke Elder Ophthalmology Exam

The Duke Elder undergraduate prize examination is held by the Royal College of Ophthalmologists annually for undergraduate medical students. It is a competitive examination covering clinical ophthalmology as well as the ocular basic sciences, optics, statistics and socio-economic medicine. For...

Evaluation of keratometry with a novel colour LED corneal topographer

The Cassini topographer (i-Optics), which analyses corneal shape based on the reconstruction of specular reflections on 679 coloured LEDs, generates keratometry and is the new machine being compared in this study with other keratometry devices. The prospective comparative study included...

The David J Apple International Laboratory for Ocular Pathology – a legacy of pioneering IOL research

David Apple and Gerd Auffarth. The Apple Lab at the David J Apple Center for Vision Research in Heidelberg is a thriving international laboratory for research into intraocular devices. The lab continues the work of David J Apple, a world-renowned...