You searched for "conjunctiva"

964 results found

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...

The global burden of age-related macular degeneration

Age-related macular degeneration (AMD) is the third leading cause of blindness (behind cataract and refractive error). The authors present the results of the Global Burden of Disease (GBD) 2015 study, which included 195 countries. The disability-adjusted life years (DALY) due...

Effect of caffeine and low intensity endurance exercise on intraocular pressure

This placebo controlled, double blind, balanced crossover study reports in healthy individuals that 30 minutes of cycling caused a maximum of 2.7mmHg lowering of IOP. A caffeine dose of 4mg/kg 30 minutes prior to cycling negated this effect. The conclusion...

The effect of caffeine on pupil size and accommodation

Twenty-two young and healthy participants were recruited in this study. The authors showed that pupil size increased as a result of caffeine consumption. A more stable (lower variability of accommodation) accommodative response (AR) was induced by caffeine intake, whereas the...

Caffeine concentration in the vitreous after drinking coffee

Caffeine is known to penetrate many bodily fluids, including the vitreous. In this prospective study, investigators measured caffeine levels in vitreous samples from patients undergoing vitrectomy and epiretinal membrane peel. Patients were divided into habitual and non-habitual coffee drinkers. One...

Predicting visual prognosis of patients with methanol poisoning

Symptoms of methanol poisoning often occur 12–24 hours after oral consumption, and visual symptoms are seen in approximately 50% of cases. This study aims to investigate the role of optic nerve diffusion status on cranio-orbital magnetic resonance imaging (MRI) in...

In conversation with Charles Leclercq (ARxVision)

Julian Jackson (Founder and Director, VisionBridge) spoke to Charles Leclercq (CEO, ARx) about the ARxVision, a wearable device that captures the world around us through audio and artificial intelligence to empower blind and low-vision individuals. You can read the Eye...

Aflibercept for the treatment of neovascular glaucoma

The aim of this study was to investigate initial results regarding the treatment of neovascular glaucoma (NVG) with intravitreal aflibercept. NVG is classified into stages 0-3. In stages 1 and 2, abnormal vessel proliferation is seen with or without elevated...

Marcus Gunn jaw winking without ptosis

This is a review of 72 cases of Marcus-Gunn jaw winking syndrome. The authors reviewed all their congenital ptoses seen over a 16 year period and found 72 Marcus-Gunn cases of out of a total of 848 patients. Within the...

Pupil responses in diabetes

This study aimed to investigate pupillary involvement in patients with type 2 diabetes mellitus (DM) and to evaluate any relationship between severity of diabetic retinopathy (DR) and pupillary responses. Participants included 133 individuals in four groups: proliferative DR (n=21), non-proliferative...

Do patients with prolactinomas using dopamine agonist drugs have autonomic dysfunction?

This prospective study aimed to determine whether there is autonomic dysfunction in patients with prolactinomas using dopamine agonist (DA) drugs by measuring static and dynamic pupillary responses using an automatic pupillometric device.Included were 25 eyes from 25 patients who were...

Late stromal rejection in DALK

This case series reported on late stromal rejections in eyes after uncomplicated deep anterior lamellar keratoplasties (DALKs). Four eyes of three patients experienced episodes of isolated stromal rejection 33 to 46 months after surgically uncomplicated DALKs and a minimum of...