You searched for "Radiation"

3726 results found

CD40L activation of human RPE cells

Age-related macular degeneration (AMD) is the leading cause of reduced visual acuity in the elderly worldwide. The risk factors involved in AMD include smoking and diet, while genetics have been shown to have a significant role. Recently a link between...

Portable corneal topography – exploration of a prototype

Ophthalmic imaging devices, such as corneal topographers, are not widespread in the developing world. A small device that connects to a smartphone might be a solution to improve developing nation access to corneal imaging. I recently had the opportunity to...

Sutureless, scleral fixated-IOLs

This was a retrospective cohort study of 112 sutureless, scleral-fixated posterior chamber intraocular lens implantations (SSFCIOL) over a four-year time period. Mean follow-up duration was 13.0 ±10.4 months. The primary indication for SSFCIOL was dislocation of IOL due to zonular...

Quiz Oct/Nov 2022

History An Afro-Caribbean woman, aged 30, with “scleral tattooing” for cosmetic reasons (subconjunctival dye injection), presented with bilateral upper and lower eyelid oedema for one week, and she also had restricted eye movement and blurry vision in her right eye....

My Top Five: Innovations in the diagnosis of ocular tumours

Ocular tumours can vary widely in origin, from benign growths to metastases from distant disseminated malignancies. Although rare, ocular tumours pose a significant health and economic burden globally, with ocular cancers accounting for 0.2% of all diagnosed malignancies in the...

Simultaneous vs. alternate PCT disparity in XT

The authors quantified the relationship between simultaneous prism and cover test (SPCT) and alternate prism and cover test (APCT) alignment in patients with measures at the same visit after surgery for exotropia. This was a retrospective study of 955 patients...

Corneal cross-linking for treatment of corneal ulcers

This was an observational cohort study looking at the usefulness of photo activated chromophore for infectious keratitis-corneal collagen cross-linking (PACK-CXL) in reducing the time to heal in suppurative corneal ulcers. This study, conducted in a tertiary care centre in South...

DR-NET Workshop – information-sharing for strengthening DR programmes

Contributors: Rosie Brennan, Anshul Chauhan, Mona Duggal, John Ellis, Michael Gichangi, Edwin Grayson, Catherine Jamieson, Ankita Kankaria, Oliver Kemp, Hendra Kusuma, Nanda Matthew, Geeta Menon, Habibah Muhiddin, Tunde Peto, Recivall Salongcay, Frank Sandi, Hazel Shillingford-Ricketts, Bernadetha Shilio, Caroline Styles, Sharon...

One muscle surgery

This is a review of current literature on unilateral strabismus surgery for small to moderate angle esotropia, exotropia, residual and consecutive strabismus and convergence or divergence insufficiency. The review considers recession surgery for eso / exotropia of angles up to...

Changes in ocular biomarkers in Vogt-Koyanagi-Harada disease after pulse steroid therapy

This retrospective study aimed to evaluate the early and chronological changes in ocular biomarkers in patients of Vogt Koyanagi Harada (VKH) disease who received pulse steroid therapy. It further aimed to identify which biomarkers correlated with the best corrected visual...

Outcomes of office and home-based training vs part-time occlusion for intermittent exotropia management

This study aimed to compare patch therapy with non-surgical treatment options for intermittent exotropia (IXT) using a synoptophore with/without simultaneous active orthoptic treatment and a maintenance treatment using computer-based gaming software. This 3-group trial recruited 72 patients. Intervention 1 (N=24)...

Using frequency doubling technology perimetry to identify Alzheimer’s disease early

Alzheimer’s disease is widely reported to be associated with deficits in visual function. Visual disturbances include impaired stereopsis, contrast sensitivity and motion detection. Deficits specific to the magnocellular pathway (MGC) have been identified in Alzheimer’s disease. This article compares the...