You searched for "radiation"

2863 results found

A unique case of macular burn from ‘toy’ laser

The first laser was created in 1960 and its name is an acronym for ‘light amplification by stimulated emission of radiation’. Laser technology has been used for medical, industrial, research and entertainment purposes in a variety of fields following extensive...

Adjuvant radiotherapy in orbital malignancy

This is a retrospective review of high dose volumetric modulated arc radiotherapy (VMAT) for adjuvant treatment of patients with orbital malignancy who had already undergone local excision or exenteration. VMAT differs from conventional external beam radiotherapy in that it is...

Ocular manifestations of multiple sclerosis: an overview

Multiple sclerosis (MS) is an autoimmune demyelinating disease of the central nervous system (CNS), in which there is dissemination of lesions in time (two or more clinical events) and space (multiple lesions seen on brain and spinal imaging). The pathophysiology...

Surgical technique combining vertical transposition and horizontal plication for mixed deviations

A retrospective case series, assessed adult cases with horizontal and vertical strabismus who had undergone unilateral vertical transposition of the horizontal rectus muscles during a recession-plication over a three-year period. A single surgeon performed all 15 procedures. Postoperative measurements were...

High dose (2.5mg) bevacizumab for postradiation cystoid macular oedema

The authors present a retrospective, interventional case series investigating the efficacy of high dose (2.5mg/0.1ml) intravitreal bevacizumab in the treatment of persistent postradiation (Iodine-125 plaque brachytherapy for uveal melanoma) cystoid macular oedema (CME). Persistent CME was defined as increased or...

Pain score assessment in babies undergoing treatment for ROP

The aim of this study was to assess neonatal pain scores during laser treatment for retinopathy of prematurity (ROP) under sub-tenon anaesthetic with oral or rectal sedation. Sixty-two babies were included who have had ROP laser treatment over a seven...

Ocular neuromyotonia features

The authors present eight cases of ocular neuromyotonia (ONM) with an overview of the pathophysiology, aetiology, clinical presentations and possible treatments. Diagnosis was made only after thorough and repeated orthoptic examinations and review of medication history. An overview of the...

Delayed EPBRT efficacy in retinoblastoma

This is a retrospective medical records review of 50 patients (54 eyes) with retinoblastoma (RB), who received I-125 episcleral plaque brachytherapy (EPBRT) prior to (primary) or following chemoreduction (delayed) alone and in combination with non-irradiative focal therapy. Fifty-six plaques were...

Can closing the eyelid during riboflavin induction phase of crosslinking increase corneal thickness?

Corneal crosslinking (CXL) with riboflavin and UVA irradiation is the standard treatment for preventing progression of keratoconus. Thinning of the cornea during the riboflavin loading phase was reported in previous studies which used riboflavin with dextran. A minimum stromal thickness...

Surgery for third nerve palsy (2019)

The authors present a new technique for split muscle medial transposition surgery of the lateral rectus plus union with the distal split stump of the medial rectus. This increases the length of the contracted lateral rectus through the addition of...

Effects of orbital decompression

This is a retrospective review of 319 orbital decompression operations in 169 patients (73% female) with thyroid eye disease. Three wall decompressions were performed in 92 eyes, 2-wall in 206 (medial and floor), and a single wall (medial) in 18,...

Exploiting nature’s randomised trials of eye disease

Confounding and reverse causation in observational ophthalmic epidemiology Traditional observational studies are inherently limited in establishing a causal effect of an exposure on an outcome of interest. One fundamental limitation is confounding, whereby causation is incorrectly attributed to a third...