You searched for "conjunctiva"

890 results found

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...

Long-term esotropia and exotropia alignment

The authors review surgical outcomes for 317 children having surgery for esotropia (n=235) or exotropia (n=82) for comparative analysis using survival curves. Esotropia surgery was undertaken at a mean of 42 months; exotropia surgery at a mean of 60 months...

Consecutive exotropia features

This study sought to detect abnormal scleral attachment with comparison of histopathological findings in consecutive exotropia. The study also considered the success rate of medial rectus resection and advancement, dose response and evaluate potential preoperative factors that might indicate presence...

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...

Charity partners celebrate 10 years in Zambia

Vision Aid Overseas and Specsavers are celebrating 10 years of working together.

Orbis named winner of 2023 Amazon Web Services IMAGINE grant for non-profits

Orbis will work with Amazon's cloud computing arm to expand access to artificial intelligence-assisted eye screenings in Asia and Africa.

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...