You searched for "Optics"

1420 results found

Overview of traumatic optic neuropathy

The authors present the clinical features and role of various treatment modalities on the final vision outcome in traumatic optic neuropathy (TON). They retrospectively reviewed the records of patients with a diagnosis of TON over a four year period in...

A clinical review of optic neuropathy associated with amiodarone

The authors present a clinical overview of the occurrence of visual loss secondary to optic neuropathy associated with the use of the antiarrhythmic agent amiodarone. Amiodarone is prescribed for the management of atrial fibrillation and ventricular tachycardia / fibrillation. However,...

Advanced vestibular Schwannoma case report

Vestibular Schwannoma is a benign, slow growing tumour which usually presents with unilateral hearing loss. It causes symptoms and findings on ophthalmic examination when the diagnosis is delayed. Ophthalmic findings may be related to the effect of the expanding mass...

Differential diagnosis in cases of suspected neuroretinitis

Neuroretinitis is a form of optic neuropathy typically characterised by acute unilateral visual loss with optic disc oedema and macular exudates arranged in a star figure around the fovea (complete or partial star). The purpose of this study was to...

A rare case of ophthalmic complications following allergic fungal sinusitis

The authors present an unusual case report of a 32-year-old man with advanced allergic fungal sinusitis, presenting with severe bilateral visual loss and restricted ocular motility. On presentation he had an 18 month history of progressive nasal obstruction, as well...

PD-1 and retinal ganglion cell death

Death of retinal ganglion cells (RGC) in conditions like glaucoma leads to permanent visual loss. RGC death can be due to the initial stress such as raised intraocular pressure or secondary to mechanism such as oxidative stress. Programmed cell death-1...

Toric intraocular lens rotation related to the capsulorrhexis

The risk factors for postoperative rotation in the early post-operative period; a longer axial length, younger patients, and with the rule astigmatism as described by Miyake T et al. (JCRS 2014) in a case series of six eyes. This letter...

Likelihood of developing multiple sclerosis after optic neuritis diagnosis

Optic neuritis (ON) is a relatively common cause of acute optic neuropathy in young patients which often presents as the first sign of multiple sclerosis (MS). There is a lack of evidence around the factors that are associated with the...

Adolescent optic disc haemorrhages

The authors conducted this study to describe the clinical characteristics of multi-layered optic disc haemorrhages in adolescents. This was a retrospective review of 16 eyes (11 right and five left) of 16 patients with a mean age of 15 ±2.6...

Preparing for modern ophthalmic surgical training as a trainee

As a trainee in ophthalmology, every day you are learning more and more about the specialty. In addition, you will most likely be exploring the vast array of subspecialties that ophthalmology has to offer, and would probably be trying to...

Surgical treatment of high myopia

Although several excellent modalities are available for correcting high myopia, the surgical treatment of this condition remains one of the biggest challenges for refractive surgeons; this group of patients is often very dependent on contact lenses. If these patients become...

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...