You searched for "Optics"

1992 results found

Can retinal layer thickness predict the progression of disability in MS?

This is an observational retrospective cohort study presenting the data of 188 patient diagnoses with multiple sclerosis at two specialist centres. All included patients were adults below the age of 70 years, stable on their disease modifying treatment for at...

Exploring the potential of neurodegenerative disease screening within age-related eye disease research

The authors recruited healthy controls aged between 60 and 75-years-old, previously enrolled into a registry as patients following cataract surgery without age-related macular degeneration (AMD). Exclusion criteria included dense cataract, retinal disease, ocular inflammatory disease, moderate glaucoma, optic neuropathy, cancer,...

Risk factors identified for glaucoma progression in paediatric glaucoma suspects

A retrospective case review was conducted of children (<18 years) identified as being glaucoma suspects using common clinical criteria or the Childhood Glaucoma Research Network definition. Exclusion criteria included penetrating ocular trauma, treated ocular hypertension / glaucoma and use of...

Blood pressure association with primary open angle glaucoma severity

This prospective observational study involved 47 patients diagnosed with primary open angle glaucoma (POAG) examined to investigate their postural blood pressure response and its potential correlation with the severity of glaucomatous optic neuropathy (GON). Participants underwent intraocular pressure and systemic...

How common is empty sella in neuro-ophthalmology patients not suspected of raised intracranial pressure

The study aimed to assess how common the presence of empty / partially empty sella is amongst neuro-ophthalmology patients undergoing magnetic resonance imaging (MRI) excluding for papilledema and raised intracranial pressure (ICP). The study retrospectively reviewed case records of consecutive...

Early structural and functional retinal changes in intermittent exotropia

This study aimed to evaluate and compare spectral domain optical coherence tomography (SD OCT) and electrophysiological measures in patients with intermittent exotropia and healthy controls, to outline changes in retinal and optic nerve structure and function. This was a cross-sectional...

Ophthalmic learning through the lens of cognitivism and constructivism

Learning in ophthalmology is multi-faceted, from understanding the fundamentals of eye anatomy and physiology to higher order skills such as performing cataract and vitreoretinal surgery. Having a strong foundation in the basics is a necessity for higher order knowledge synthesis,...

Pituitary tumours: why are they so often missed?

Part 2: Clinical varieties, anatomical considerations and case report (see also Part 1 and Part 3) For ophthalmologists there are four types of pituitary tumour to be considered, three of which are named according to the hormone secreted, along with...

The Neuro-Ophthalmology Survival Guide, 3rd Edition

Neuro-ophthalmology, a challenging ophthalmic subspecialty, demands an understanding of neuro-anatomical pathways, nuanced examination and advanced imaging. For ophthalmology trainees, foundation doctors, neurologists and emergency clinicians, it can feel daunting to frequently encounter optic neuritis, visual field defects and cranial nerve...

Altomed is thrilled to announce the sponsorship of its 2nd Guide Dog puppy Geordie!

Named in tribute to Altomed’s Northeast roots, Geordie is a striking black German Shepherd, confident, clever, and full of character. His unique breed makes him extra special within the Guide Dogs community. Geordie follows in the pawprints of Altomed’s first...

Photophobia: an unusual symptom of a pituitary macroadenoma

Introduction Photophobia, defined as ‘an abnormal intolerance to light’, is commonly associated with a range of both ocular and neurological pathologies such as dry eye, blepharospasm, corneal pathologies, cataracts, uveitis, retinal dystrophies, optic neuritis, migraine, meningitis, and traumatic brain injury...

The Arclight: A ‘pocket’ ophthalmoscope to revitalise undergraduate teaching?

Ophthalmoscopy should be a core skill for every doctor and should be firmly embedded in the undergraduate curriculum similar to the unquestioned position of the stethoscope. The simplicity of the Arclight means it is easy to useand, importantly, to learn...