You searched for "Optics"

1913 results found

G-CSF intravitreal injections for NAION: a pilot study

In rodent models with anterior ischemic optic neuropathy (AION), granulocyte colony-stimulating factor (G-CSF) confers a neuroprotective effect on retinal ganglion cells (RGCs) via anti-apoptotic and anti-inflammatory processes. This prospective study investigated the efficacy of intravitreal injection of G-CSF for the...

Leber’s hereditary optic neuropathy outcomes in an Indian population

A large cohort study in an Indian population is presented, with clinical and genetic profile analysis of patients with Leber’s hereditary optic neuropathy (LHON) treated over a five-year period. The study included 157 patients; 143 male, 14 female (10.2:1 ratio)...

Variability between handheld fundus cameras

Handheld fundus cameras offer the potential of enhancing opportunities for telemedicine diagnosis of glaucoma, especially in underserved settings, as they are less bulky, inexpensive and don’t require skilled personnel compared to traditional table-mounted retinal cameras. This study aimed to compare...

Features of bacterial orbital cellulitis on MRI imaging

This multi-centre retrospective study from Australia and the UK examined the quantitative and qualitive parameters of magnetic resonance imaging (MRI) imaging in bacterial orbital cellulitis. Twenty MRI scans from 20 patients with pre-septal and orbital fat involvement (mean age: 40.8...

What plane should be used for ultrasound measurement of the optic nerve sheath diameter?

This prospective observational study aimed to evaluate the differences between optic nerve sheath diameter (ONSD) between the patients’ two eyes and different ultrasound planes (transverse and sagittal). Participants were recruited over a two-year period from a single neurosurgical department. To...

Hypothesis for poor visual outcomes in myeline oligodendrocyte glycoprotein-related optic neuritis after first attack

The authors present a retrospective case review with the aim of describing the group of patients with myelin-oligodendrocyte glycoprotein-associated optic neuritis (MOG-ON) who had poor visual outcomes following their first attack despite rapid treatment. The study was conducted at a...

Haag-Streit announces global launch of Elara 900 and Refractor 900 at ESCRS 2025

Bishop’s Stortford, UK – 12th September 2025 – Haag-Streit UK (HS-UK), the leading manufacturer and distributor of gold-standard diagnostic and surgical devices and instruments for ophthalmologists, optometrists, and orthoptists, is proud to announce the global launch of two new innovations:...

The Lily Foundation celebrates approval of first ever mitochondrial disease treatment by NICE

The Lily Foundation, the UK’s leading mitochondrial disease charity, is today celebrating a landmark achievement in the fight against the disease – the first ever treatment for a mitochondrial condition has been approved for use on the NHS in England....

Birmingham Neuro-Ophthalmology: The Birmingham Afferent Course

Objective: The aim is to review the physiology and the pathology of optic nerve disorders. The course is aimed at ophthalmologists, neurologists and orthoptists of all grades. It will be of value to those preparing for exams or refreshing their...

Handbook of Retinal OCT (Second Edition)

Duker et al. present the second edition of their Handbook of Retinal OCT. It’s an upgrade from their last edition in many respects – there’s an enhanced digital version, the pages have a nice glossy sheen which makes it feel...

Alternative diagnosis in cases of poor response to amblyopia therapy

The aim of this study was to assess the prevalence of coexistent ocular pathology and identify / describe the factors that contribute to undiagnosed alternate diagnosis and / or co-existent pathology at initial presentation in patients referred as potentially amblyopic....

Sister Companies Launch Joint Web Shop

Leading Volk distributors, Altomed and Mid-Optic, have teamed up to launch a new, user-friendly online shopping experience. Whether you're buying your first Volk lens or expanding your collection, the new web shop offers tools to help you find the perfect...