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3224 results found

Amblyopic choroidal thickness

The authors studied choroidal thickness in 38 paediatric cases (76 eyes) with unilateral amblyopia to evaluate the differences between amblyopic and fellow eyes, and compare them with 19 healthy control subjects (38 eyes). Anisometropic amblyopia was present in 17 cases...

Air toxicity on retinal pigment epithelium

This study investigated the potential toxic effects of air on primary human retinal pigment epithelial (RPE) cells in vitro. Clinically during pars plana vitrectomy air is used as either a temporary tamponade during air-fluid exchange or mixed with gas to...

Association between smoking and uveitis

This is a retrospective, population-based, case-control study from the general Kaiser Hawaii population. Over a two year period (1 January 2006 to 31 December 2007), there were 100 confirmed incident cases of uveitis. Two control groups were created, with 522...

Optic nerve head perfusion response to reduced blood pressure and increased intraocular pressure

The purpose of this prospective study was to test the hypothesis that blood flow autoregulation in the optic nerve head has less reserve to maintain normal blood flow where there is a blood pressure induced decrease in ocular perfusion pressure...

Which factors predispose to pingecula development in a rural Chinese population?

The authors report a cross-sectional study which aimed to determine the prevalence and risk factors for developing pingecula in a rural Chinese population near Shanghai. Nine hundred and fifty-nine persons were recruited from a single village and asked to complete...

Nicotine accelerates diabetes induced retinal changes

This study investigated the influence of nicotine in an experimentally induced diabetic rat model. They used non-invasive high-resolution spectral domain optical coherence tomography (SD-OCT) imaging to provide quantitative information on the temporal alterations of retinal structures at the micrometer resolution...

Optic disc haemorrhages as a risk factor for poor outcomes in IIH

This is a report of a review of optic disc photographs, of the type and frequency of the optic disc haemorrhages (ODH), papilloedema grades and other fundoscopic abnormalities at baseline. In the study eyes of 133 patients enrolled in the...

Use of acetazolamide for symptoms of visual vertigo

Visual vertigo is a disorder characterised by symptoms of dizziness, vertigo, unsteadiness, disorientation and general discomfort induced by visual triggers. It is currently treated with vestibular rehabilitation therapy, with no effective pharmacotherapy options available for treatment resistant case. Oral acetazolamide...

Lester Jones tubes: Can these be tolerated long-term?

The authors present a retrospective case review study of a cohort of patients with Lester Jones’ tubes first placed between 1969 and 1989, and who were reviewed within the last 15 years. Twenty-nine patients (33 eyes) were included in the...

OCT imaging of occluded puncta

This is a description of the use of enhanced depth optical coherence tomography (OCT) to see whether a patent ampulla or canaliculus is detectable in patients with absent or occluded puncta. Nine occluded puncta of six patients with epiphora were...

Iranian prevalence of strabismus and heterophoria

Previous studies in parts of Iran report a childhood prevalence of strabismus of 1.2 to 2.3%. The authors aimed to evaluate the prevalence of strabismus in underserved rural areas of Iran in all age groups. In 2015 they conducted a...

ABCA1 mediates lipid efflux in the retina

Age-related macular degeneration (AMD) is the leading cause of blindness in the elderly population. There are two forms of AMD, dry and wet, the latter so named because of the presence of choroidal neovascularisation. Both forms lead to retinal pigment...