You searched for "orbit"

489 results found

RANZCO Congress 2025

The Royal Australian and New Zealand College of Ophthalmologists Annual Congress 2025

Poppers retinopathy: What is it and how do we treat it?

Poppers retinopathy is a relatively unknown phenomenon which afflicts users of poppers but should be considered as a differential in sudden-onset or sub-acute visual acuity loss – particularly in patients with a history of recreational drug use. Raising awareness of...

A semi-automated algorithm for identifying glaucoma patients with blindness

Patients with sight impairment (previously referred to as partial sightedness) or severe sight impairment (previously referred to as blindness) are eligible for a certificate of visual impairment (CVI). Certification confers eligibility for a wide range of benefits administered by local...

Typical or surprisingly uncharacteristic presentations of neuro-ophthalmic emergencies

Irrespective of geographical location or patient cohort, emergency departments are high risk locations capable of inspiring extreme anxiety and dread in patients and doctors alike. The stress multiplies when a walk-in or referred case is suspected of underlying neurological pathology....

The creation of PlayDoh<sup>®</sup> models as an educational tool for teaching anatomy of the eyelid

An understanding of the anatomy of the eyelid is essential for training in oculoplastic surgery. Active learning has been shown to increase knowledge and retention and has an advantage over passive teaching methods alone [1,2]. PlayDoh® models have been used...

Breakthroughs in the genetics of angle-closure glaucoma

Angle closure glaucoma (ACG) is not widely known to be a familial condition, yet the recent explosion of genetic data and large scale genome wide investigations have confirmed at least 13 genetic loci associated with ACG [1], and provided some...

Non-infectious Uveitis: Well Known, Weird and Wonderful meets You, Me and the Balloons

Installation view from Manchester International Festival 2023 exhibition Yayoi Kusama: You, Me and the Balloons at Aviva Studios. Images © David Levene. On an uncharacteristically salubrious 5 July 2023, the date of the 75th Anniversary of the UK’s NHS, a...

Game show freak

As a child of the 70s and 80s, there were limited television viewing opportunities. For the duration of the 70s there were only three channels, only moving to four with the launch of Channel 4 in 1982. Not only that,...

Congenital cranial dysinnervation disorders (CCDDs)

The term congenital cranial dysinnervation disorder (CCDD) was introduced by Gutowski et al. in 2003 to describe strabismus conditions that result from developmental error in innervation of some of the extraocular muscles. Examples of these conditions include Duane’s syndrome and...

Understanding spaceflight-associated neuro-ocular syndrome (SANS): what do we know?

Introduction Formerly known as visual impairment and intracranial pressure syndrome (VIIP), space-related neuro-ocular syndrome (SANS) is defined by a collection of ophthalmic and neurological findings in astronauts after long-term spaceflight [1]. Changes in the eyeball, such as hyperopic shift, during...

The history of ophthalmology: John Argyll Robertson and Douglas Moray Cooper Lamb Argyll Robertson

The author shares the story of an extraordinary father and son, two of the major figures in defining the specialty of ophthalmology as we know it today. The renowned Glasgow Surgeon Peter Lowe described ophthalmic surgery in his legendary surgical...

Biomaterials and Regenerative Medicines in Ophthalmology (Second Edition)

With advancement in science and technology in the last decade, the role of biomaterials and regenerative medicines has become increasingly important in the management of various ocular disorders. This book highlights the role of biomaterials in the restoration of vision...