You searched for "Optics"
Traumatic optic neuropathy
In neuro-ophthalmology we get asked a lot about management of patients who suffered significant trauma and presented with loss of vision secondary to presumed traumatic optic neuropathy (TON). TON happens usually in the context of significant craniofacial trauma. The incidence...180 MCQs for the Duke Elder Examination
1 February 2022
| Vinay Badhwar
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Ophthalmology
The Duke-Elder Undergraduate Prize Exam is a competitive exam aimed at undergraduates with an interest in ophthalmology. It is amongst the most prestigious undergraduate prizes in the United Kingdom. I would encourage motivated candidates to get their hands on as...
Refractive surprise after cataract surgery caused by posterior capsular striae
Cataract removal with intraocular lens (IOL) implantation is one of the most frequently performed surgeries in current clinical practice [1,2]. New microsurgical techniques and refined IOL power calculations allow excellent refractive outcomes. Refractive surprise following cataract surgery is uncommon [1-3]...Toxic nutritional optic neuropathy (TON)
2 August 2022
| Ali Yagan
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Ophthalmology
Toxic optic neuropathy are a group of conditions manifested by reduction of visual functions secondary to damage to the anterior visual pathways from exposure to a toxin. The implicated toxin could be work-based, food or drink related, or iatrogenic medication....
Nerve head in healthy humans using OCT-angiography
1 December 2017
| Chrysostomos D Dimitriou
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Glaucoma
Optical coherence tomography angiography (OCT-A) is a recent, dyeless, and noninvasive imaging technique for evaluating depth-resolved vascular status by capturing the dynamic motion of the erythrocytes. It provides the flow map of major vessels and capillary plexuses separately in different...
Ocular manifestations of multiple sclerosis: an overview
Multiple sclerosis (MS) is an autoimmune demyelinating disease of the central nervous system (CNS), in which there is dissemination of lesions in time (two or more clinical events) and space (multiple lesions seen on brain and spinal imaging). The pathophysiology...Optic nerve swelling – your survival guide (part 1)
1 August 2017
| Ali Yagan
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Neuro-Ophthalmology
Assessment of optic nerve appearance and functions is a daily routine in neuro-ophthalmology. Following a recent high profile court case there has been a significant increase in the amount of referral to ophthalmology departments to assess the optic nerve and...
Understanding optical lab processes at 100% Optical
Boosting understanding amongst the entire practice team about what happens in the optical lens manufacturing process was a keynote lecture which drew a packed audience to the OSA stand at 100% Optical.Vaughan and Asbury’s General Ophthalmology (19th edition)
1 October 2018
| Razan Nour
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Ophthalmology, Emergency Ophthalmology, Neuro-Ophthalmology, Paediatric Ophthalmology / Strabismus
Vaughan and Asbury’s General Ophthalmology (19th edition) is the latest update of this classic ophthalmology textbook that has been around for nearly 60 years. Written by British, American and Canadian authors, this book is intended for an international readership and...
SPOKE launches Project Four Supervision Guidance
The Sector Partnership for Optical Knowledge and Education (SPOKE) has published the output of its fourth project.Investigating MOG-IgG as a cause for optic perineuritis
5 August 2020
| Claire Howard
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Neuro-Ophthalmology
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Optic perineuritis, myelin oligodendrocyte glycoprotein (MOG), aquaporin-4 (AQP4), optic neuritis, optic nerve sheath
Optic perineuritis can be a manifestation of infectious and systemic inflammatory disorders, but in most cases is considered idiopathic. Diagnosis is established by magnetic resonance imaging (MRI) with the demonstration of optic nerve sheath enhancement with sparing of the optic...
Diagnosis of amiodarone-associated optic neuropathy
1 August 2018
| Claire Howard
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Neuro-Ophthalmology
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Amiodarone, non-arteritic ischaemic optic neuropathy, optic neuropathy
Amiodarone is a widely used anti-arrhythmic drug. Several case reports describe optic neuropathy which has been linked to its use. This case series discusses the diagnosis of amiodarone-associated optic neuropathy (AAON) and its potential impact on cardiac therapy. The authors...