You searched for "Radiation"

3723 results found

PD-1 and PD-L1 in exenteration specimens

This is an immunohistochemical study looking at variation in the expression of the programmed death-1 receptor (PD-1) and the programmed cell death ligand-1 (PD-L1), comparing cutaneous malignancies which invaded the orbit with uncomplicated nodular basal cell carcinomas. The authors retrospectively...

Laser speckle contrast imaging (LSCI) enables perfusion monitoring of the anterior segment during strabismus surgery: a study on the horizontal rectus muscles

Forty-four eyes with horizontal strabismus surgery involving medial and / or lateral rectus muscle detachment were recruited. The perfusion in the adjacent paralimbal and iris tissue was monitored with LSCI technique, by using a PeriCam PSI NR System. An infrared...

Optical coherence tomography angiography usability in measuring iris vasculature in strabismus surgery

The purpose of this study was to investigate the use of optical coherence tomography angiography (OCTA) as a screening tool for anterior segment ischemia (ASI) in strabismus surgery. Optical coherence tomography angiography measurements were taken in 18 subjects. Twelve were...

Cadaveric measurements of the Spiral of Tillaux

The authors conducted a cadaveric study to investigate and analyse the variability of the mean distances of the extra-ocular muscle insertion sites from the limbus as well as corneal diameters. The study included measurements taken from 30 white cavaders; 50%...

Quality and readability of online web information for childhood glaucoma

In this study, the quality, reliability, technical quality and readability of online information related to childhood glaucoma was assessed. This was a cross-sectional study of websites discussing childhood glaucoma. The authors undertook an analysis of 500 websites over a six-month...

Les Misérables

I recently had the signal pleasure of undergoing Part 2 of the FRCOphth exit exam and could not help but wonder at how examiners could on the whole be easily categorised into certain subtypes which readers may find fascinating. This...

Vertical disparity effects on horizontal fusion

This study was designed to investigate the effect of induced vertical disparity by prisms on horizontal fusional reserves at near distance. One hundred and seventy students were recruited and vertical disparity was induced by small vertical prisms of 0.5 and...

Supranuclear palsy

This paper reports the results of surgery for supranuclear monocular elevation deficiency. Contralateral superior rectus maximal recession was undertaken without interfering with the superior oblique tendon position, transection of the superior oblique to the superior rectus frenulum and directly suturing...

Orbis teams up with the Alcon Foundation and OMEGA to improve eyecare in Zambia

The Orbis Flying Eye Hospital returns to Zambia for a three-week training project in Lusaka coinciding with World Sight Day on October 12.

The role of inflammation in the pathophysiology of DMO

Diabetic macular oedema (DMO) is a major cause of visual loss in diabetes, with a complex multifactorial pathogenesis. In the UK alone it is estimated that there are nearly 2.5 million diabetic patients aged over 12 years. Approximately 65,000 of...

γδ T cell depletion does not affect fungal keratitis

Fungal keratitis (FK) is a blinding condition prevalent in agricultural areas of countries such as India and China. The fungus enters the cornea and induces an inflammatory response which leads to tissue damage. Neutrophils are the earliest infiltrating immune cells...

How do you solve the problem of trachoma in Ethiopia?

Background Trachoma is one of the oldest diseases known to humankind and the leading infectious cause of blindness worldwide. Spread by the bacterium chlamydia trachomatis, it is transmitted through contact with the eyes, eyelids and nose of those infected. The...