You searched for "pigment"

3247 results found

PI drops and respiratory change during surgery

Five percent povidone-iodine (PI) topical application to the eye has been observed to cause apnoea under general anaesthetic (GAS). The authors designed a randomised single-blinded controlled trial to evaluate changes in respiration caused by PI eye drops. They recruited 100...

Effect of alcohol dependency on visual function

The purpose of this study was to evaluate visual function, attention and psychological profiles in consumer and abstainer alcohol dependency syndrome (ADS) patients in a Portuguese population. The study was a quantitative, descriptive, cross-sectional and correlational study over a one-year...

Associations with ocular surface disease in high school children

The authors aimed to determine the prevalence of ocular surface symptoms in a high school population and to evaluate its association with contact lens wear and other factors. The study had a population of 3240 students. This was a cross-sectional...

Comparison of treatment regimes for APROP

The authors evaluated the risk factors and treatment outcomes of various treatment options for APROP including intra-vitreal anti-VEGF injections, laser treatment and a combination of both. This was an observational study of all consecutive cases of untreated APROP from 2018-19...

Is virtual reality perimetry as reliable as static perimetry in detecting neurological visual field loss?

This study compares agreement between virtual reality perimetry (VRP) and static automated perimetry (SAP) in a variety of neuro-ophthalmological conditions. For this work the Order of Magnitude (OM) VR-based visual field assessment system was used which has been developed by...

Epidemiology of ocular cancer in Cali

The aim of this study was to describe the population trends of incidence and survival rates of ocular cancer in Cali, Columbia. Data was retrieved from the Registro Poblacion de Cancer de Cali (RPCC, i.e. Population Cancer Registry of Cali)...

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,...

Patient-reported outcomes in oculoplastic surgery

This is an important if somewhat difficult to grasp article which tries to formally address the subject of patient-reported outcomes in oculofacial surgery. The authors have conducted an extensive review of the literature searching for instruments (questionnaires) which have been...

Early diagnosis of pituitary apoplexy using combined MRI findings

The author presents a literature review searching the terms ‘pituitary ring sign’ and ‘sphenoid sinus mucosal thickening’ in the context of pituitary apoplexy from 1990 until the present day. These two findings are both magnetic resonance imaging (MRI) signs of...

Types of nystagmus and associations in a large international database for nystagmus

The authors aimed to characterise a large international cohort of children with nystagmus. Data were taken from a prospective database which was started in 2010. Up to 2020, this contained 1774 patients with nystagmus from 38 US states and 30...

How to be a better optometrist – a personal view

Our optometry editor shares her personal observations of what makes the best optometrist. Some years ago in Glasgow, I gave a presentation with this same title, ‘How to be a better optometrist’. I was the optometry programme director for NHS...

Forward-tilt technique for intraocular pressure measurement in upgaze

The authors suggest a technique to improve the accuracy of measuring IOP in upgaze using Goldmann applanation tonometry. Graves’ ophthalmopathy, also known as thyroid eye disease, is an autoimmune inflammatory condition affecting the orbit and periorbital tissues [1]. It was...