You searched for "gases"

2661 results found

N-T asymmetry in tracking eye movements

The current study aimed to quantify and compare the visual tracking responses of two sensory induced strabismic juvenile monkeys during monocular smooth pursuit, ocular following response and optokinetic nystagmus (OKN). Monkey 1 had esotropia and monkey 2 had exotropia. Both...

Is it NAION… Now what?

Case presentation We present the case and discussion of a 46-year-old Caucasian male who complained of immediate reduced vision following complicated neck dissection including a total laryngopharyngectomy, free flap reconstruction for a T4N3 squamous cell carcinoma (SCC) of the left...

An eye on novel anti-cancer agents: an evidence-based approach to external eye assessment

Novel anti-cancer therapies have led to significant advancement in cancer treatment, however, they can be associated with external eye complications. It is important to be mindful of such adverse effects during assessment of patients enrolled in clinical trials. Annually, approximately...

Half a million factory workers in low-income countries have vision screened in landmark project led by alliance of US Businesses

Half a million factory workers in low-income countries have vision screened in landmark project led by alliance of US Businesses – a milestone announced today, World Sight Day.

In vivo confocal microscopy, principles and use in keratitis Part 1: Principles

In 1968 Maurice introduced the concept of high powered specular microscopy, it was in that very year that the first scanning confocal microscope was proposed. Marvin Minsky developed the first confocal microscope in 1955 named the ‘double focusing scanning microscope’....

The results of the last survey Apr22

The answer to the first question was interesting in that it seems an increasing number of units are doing same-sitting bilateral cataract surgery. It is becoming accepted practice and mainstream. Immediately sequential bilateral cataract surgery (ISBCS) involves performing phacoemulsification with...

Apr/May 2015 Quiz

History A 60-year-old man presented to the ophthalmologists with painful blurred left vision. Examination revealed a white vascular mass, occupying 60% of the anterior chamber space, arising from the iris. After conservative therapy, no useful vision remained. The eye was...

UK ophthalmologists discuss value of ultra-widefield multimodality retinal imaging

Utilising optomap ultra-widefield (UWF™) multimodality retinal imaging with integrated SS (or SD) OCT in clinical practice contributes to identifying unexpected pathologies in a patient without visual complaints, report 81% of clinicians at industry webinar.

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...

Is exenteration helpful in invasive fungal sinusitis?

Invasive fungal sinusitis is a potentially lethal disease that causes painful orbital apex syndrome with ophthalmoplegia and visual loss. The mechanism of ophthalmoplegia and visual loss is not clear, and neither is the role of radical surgery-orbital exenteration. The authors...

Incidence, characteristics and risk factors for ROP

This is a retrospective study performed at Seoul St Mary’s Hospital between the period of January 2009 to December 2013. The study was to determine the incidence and clinical features of, and risk factors for, retinopathy of prematurity (ROP) in...

Does the length of the school day have a role in age of myopia onset?

The authors prospectively collected the refractive data of myopic adults attending recruiting dispensing optician or ophthalmologist sites. Participants were recruited consecutively, giving verbal informed consent. Sites included a mix of urban and rural areas across eight sites. The following data...