You searched for "refraction"

2336 results found

How good does my vision have to be to drive this thing? Visual standards for various occupations

We can all picture that moment in clinic: you are about to tell someone that they’re no longer legally able to drive, ready to deploy our ‘breaking bad news’ techniques. For some patients this may have been expected, or they...

Blind veterans continue hillwalking passion thanks to power of VR

Imagine being a keen hillwalker who loves the outdoors but then being unable to enjoy it because of sight loss. Fortunately, many veterans of the Armed Forces who have visual impairment can climb their favourite mountains again, thanks to Sight Scotland Veterans.

Comparison of visual field indices between normal adults and children

The authors present a prospective observational study which aimed to compare visual field indices with retinal nerve fibre layer (RNFL) thickness using optical coherence tomography (OCT) in normal adults and children. Children aged 6–18 years were recruited from a single...

Early postoperative angle for prediction of surgical success for exotropia

In this study, the authors assessed the relationship between the initial postoperative deviation and surgical outcomes in adult exotropia undergoing unilateral lateral rectus recession with medial rectus resection. The study included 93 patients (51 female); 26 with residual exo, 53...

The embryology of the eye

Nobody claims to like embryology. At least nobody I know. It has been a neglected part of the curriculum since time immemorial and a vicious cycle occurs in which those with an incomplete understanding fail to appreciate the inherent beauty...

Characteristics of limbal lymphatic vasculature on confocal microscopy

This ex vivo study aims to describe the morphological characteristics of the human limbal lymphatic vasculature using confocal microscopy and immunofluorescence. Twelve corneal specimens are obtained from human donor eyes. These corneal buttons are not suitable for transplantation due to...

Risks factors for graft preparation failure in DMEK

Diabetes mellitus (DM) makes it more difficult to prepare descemet membrane epithelial keratoplasty (DMEK) grafts due to the ‘stickiness’ of Descemet’s membrane. This retrospective study examined a classification system, where donors were scored points according to their DM related risk...

Current practice and patient selection for ISBCS in the UK

This study investigated patient and operative characteristics for immediate sequential bilateral cataract surgery (ISBCS) and delayed bilateral cataract surgery (DSCS). The annual NHS spend on cataract surgery is £500 million, a figure expected to rise by 50% in the next...

2024

Welcome to our Spring Special of 2024! The year is well underway and I can feel change is in the air. It’s the Chinese year of the dragon, generally regarded as a good sign, plus it’s 40 years on from...

My top five: Emerging alternatives to manage and treat nAMD

Wet (exudative or neovascular) age-related macular degeneration (AMD) is characterised by choroidal neovascularisation, in which new blood vessels from the choroid invade through Bruch’s membrane. These blood vessels proliferate beneath or through the retinal pigment epithelium (RPE), causing patients to...

Sub-clinical detection methods in multiple sclerosis

Visually symptomatic multiple sclerosis (MS) provides only part of the required information to assist in understanding the disease. Recently, researchers have concentrated their efforts on diagnosing MS cases in the subclinical period. The aim of this paper was to assess...

Fight for Sight to maximise impact by funding solutions-focused research in priority eye conditions

Fight for Sight aims to stop sight loss by funding pioneering research. Rod McNeil takes a look at the Primer Fellowship Awards programme, which provides funding for up to £60,000 for individuals to undertake vision-related research for one year. Among...