You searched for "Optics"

2000 results found

Semaglutide and vision loss: A new concern for NAION risk?

This article has been verified for CPD. Click the button below to answer a few short questions and download a form to be included in your CPD folder. Glucagon-like peptide-1 receptor agonists (GLP-1 RAs) have emerged as transformative agents in...

The role of spectral-domain OCT RNFL in revealing a pituitary adenoma with atypical visual fields

Pituitary adenomas classically cause bitemporal hemianopia by compressing the optic chiasm. However, in some cases, the pattern of visual field loss may be atypical and mimic homonymous hemianopia, depending on the direction and extent of tumour expansion. Spectral-domain optical coherence...

Beware the disc in myopic patients

Glaucoma is a chronic and progressive optic neuropathy characterised by damage of retinal ganglion cells. Evaluation of structural damage of the optic nerve is important in glaucoma diagnosis. The ISNT rule states that the neuroretinal rim width is generally widest...

Primary visual pathway changes in individuals with chronic mild traumatic brain injury

Patients with mild traumatic brain injury (mTBI) often self-report vision disturbance despite showing no reduction of visual acuity or fundus examination abnormality. This prospective, observational, cross-sectional study aimed to determine if using a sweeping array of investigations can help diagnose...

Orbital sphenoid sinus trauma: a rare trauma case

With a high complication and mortality rate, intra-sphenoidal and transorbital trauma poses a high complication rate and remains challenging to manage. Numerous key structures run nearby such as: the optic nerve, internal carotid arteries and ophthalmic arteries. The authors present...

Sub-clinical detection methods in multiple sclerosis

Visually symptomatic multiple sclerosis (MS) provides only part of the required information to assist in understanding the disease. Recently, researchers have concentrated their efforts on diagnosing MS cases in the subclinical period. The aim of this paper was to assess...

CHEC announces national online CPD event covering critical eye condition that has seen 400% increase in secondary care referrals

CHEC announces national online CPD event covering critical eye condition that has seen 400% increase in secondary care referrals. The seminar is to be hosted by CHEC Clinical Director Mahmoud Rabie and follows the UK rollout of CHEC’s ground-breaking YAG Quantel Capsulo Laser System which significantly improves accuracy in eye treatments.

Leber’s hereditary optic neuropathy: from lab to clinic

Leber’s hereditary optic neuropathy (LHON) was the first clinically described mitochondrial disorder (1871). This article reviews the pathophysiology and clinical features of LHON with a focus on translational research. G11778A is currently the most common mutation worldwide and is associated...

OBITUARY: A short tribute to Mike Sanders, Neuro-ophthalmologist

Mike Sanders was Consultant Neuro-Ophthalmologist at St Thomas’ Hospital and the National Hospital, Queen Square in London, 1969 to 1999. He passed away on 25 July of this year. Over this 30-year period he had huge influence over the evolution...

What not to miss in neuro-ophthalmology Part 1

Neuro-ophthalmology is a complex and difficult subspecialty in ophthalmology. It has several connections to neurology, neuro-surgery, rheumatology as well as many other medical specialties. Working in an multidisciplinary team (MDT) environment is key to success in this subspecialty as mistakes...

Animal antics for children with vision impairment

Nine families with children with vision impairment got up to some animal antics at a mini zoo in Perth, thanks to the charity RNIB.

Systematic review of management options for intermittent exotropia

The authors conduct a robust systematic review of the literature to report evidence on non-surgical and surgical treatment options for intermittent exotropia – divergence excess and basic intermittent exotropia types. Discussion centres on (1) optical correction of refractive error with...