You searched for "photopsia"

398 results found

Outcomes of chemo versus no therapy for optic pathway glioma in NF1

The aim of this study was to evaluate the visual outcomes of a cohort of children with optic pathway gliomas and neurofibromatosis type 1 (NF1), with comparison of children treated with chemotherapy or not. This was a retrospective study of...

Headaches in ophthalmology (part 1)

Ophthalmologists see a large number of patients with headaches or facial pain in the ophthalmic outpatient clinics or in emergency clinics. Over two articles, I will discuss several causes of headaches, ocular manifestations and proposed management and referral options. It...

Yolk sac tumours of the orbit and sinonasal tract

This paper outlines two case reports of patients with yolk sac tumours (YSTs) and carries out a review of the literature on this rare malignancy. YSTs are a type of germ cell tumour and primarily occur in the gonads. Ten...

IgG4-related disease or Graves orbitopathy

This is retrospective review of patients who had been diagnosed with both IgG4-related ophthalmic disease (IgG4-ROD) and Graves orbitopathy over a four year period. Eight patients were identified. The diagnosis of IgG4-ROD was based on 10 or more IgG4+ plasma...

IgG4 related orbital disease

This retrospective study was done to determine the prevalence of IgG4 related orbital disease (IgG4ROD) in patients who previously had biopsies for suspected idiopathic orbital inflammatory disease (IOID) and / or orbital lymphoproliferative disease (OLD). The charts and slides of...

Orbital rhabdomyosarcoma treatment characteristics

The aim of this study was to review the clinical presentation, management, local and systemic outcomes of 14 orbital rhabdomyosarcoma (OR) cases with the focus on the role of surgery as treatment. The mean age at presentation was eight years...

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...

Repeated orbital decompression surgery

This is a retrospective review of nine redo orbital decompressions in six patients. All operations were performed for dysthyroid optic neuropathy, both initially and when repeated. The interval between first and redo decompressions varied from one to 15 years and...

A case series of acute visual loss following excessive alcohol and / or drug use

This study presents three cases of so called Saturday night retinopathy, an acute visual loss following intravenous drug abuse and stupor, leading to continuous pressure on the orbit while asleep. All three cases presented with acute vision loss and had...

Intermittent manual compression for CCF

Carotid cavernous fistulae (CCF) can be classified as high and low-flow or as having direct and indirect communication. Most commonly, management of high-flow CCF is with endovascular embolisation. The authors look at an alternative treatment for CCF in indirect low-flow...

Insects, swelling and sight loss: a case of orbital inflammatory syndrome

Despite being the most common cause of painful orbital mass in adults and the third most common orbital disease, orbital inflammatory syndrome still proves to be a difficult ocular condition to diagnose, treat, and manage. A 41-year-old lady presented to...

A comparison of light sources in retinal imaging

Before starting to talk about the light sources present in retinal imaging, it is necessary to start from the base: the light. Light is an electromagnetic wave whose smallest part is the photon (or quantum of light). A high frequency...