You searched for "ocular"

1905 results found

Screening accuracy

In this study the authors observed whether and how well orthoptic tests are performed by non-orthoptists in a screening setting. They assessed the quality of screening tests by semi-structured observations of youth health care (YHC) physicians who screened children aged...

Effects of blood donation on the physiology of the eye

Hypovolaemia is a state of decreased blood volume, the reduction of which reduces tissue perfusion which may in turn lead to cellular hypoxia and end-organ damage. In blood donation, 500ml of blood is collected in ten minutes. This equates to...

Smartphone use and its effects on eyes

Longitudinal pilot study on 12 young healthy adults comparing effects of smartphone use over a 60-minute period. Reading conditions and smartphone use was standardised for all participants. Ocular symptoms, tear function and binocular vision were assessed before and after each...

Fusional vergence measurement

This paper reports a systematic review to address two objectives: 1, to compare the normative values of tests measuring fusional vergence; 2, to investigate sources of heterogeneity of prism accuracy. The review was conducted according to PRISMA guidelines with a...

Online retinoblastoma surveillance tool

Given the vision and life-threatening course of retinoblastoma (RB), it has become a significant heritable childhood cancer to screen for. To recommend surveillance, risk must be estimated and genetic testing plays a vital role. However, genetic tests vary based on...

Nepafenac punctal plugs after cataract surgery: a new alternative?

The nepafenac punctal plug delivery system (N-PPDS) is an experimental L-shaped plug made of nonbiodegradable, preservative-free medical-grade silicone. It can deliver a sustained level of nepafenac for six weeks. This is a prospective, randomised, parallel-arm, double-masked, placebo-controlled, phase II pilot...

Real world results of cataract surgery in pseudoexfoliation

In this single-centre retrospective cohort study, the data of pseudoexfoliation (PXF) patients undergoing phacoemulsification cataract surgery from January 2010 to December 2019 was analysed in the National Health Service setting. The study comprised 23,329 eyes of 15,257 patients. Patients with...

ROP anti-VEGF treatment review

The purpose of this review was to consider data relating to risks and benefits of the use of anti-VEGF treatment for retinopathy of prematurity (ROP) over the past five years of 2015-2020. Ocular benefits include treatment of aggressive posterior ROP,...

Why is there subretinal fluid at the macula?

This is a review article looking at the differential diagnosis of subretinal fluid in the macula that could be diagnosed as central serous chorioretinopathy (CSCR). The authors have categorised them into 12 groups: neovascular diseases, vitelliform lesions, inflammatory diseases, ocular...

Amniotic membrane transplantation for SJS/TEN

This is a retrospective study of consecutive patients who underwent amniotic membrane transplantation (AMT) in the acute stage of Stevens-Johnson syndrome (SJS) / toxic epidermal necrolysis (TEN) from Toronto, Canada, between 2009 and 2018 and had more than three months...

Hidden spread of sebaceous cell carcinoma

This was a review of 29 patients who had undergone orbital exenteration for sebaceous cell carcinoma. Prompted by the increasing use of topical treatments for intraepithelial disease, the authors were keen to discover the frequency of spread of tumour cells...

Care journeys of patients with central retinal artery occlusion

The authors present a retrospective case note review of all adult patients referred for or diagnosed with central retinal artery occlusion (CRAO) to a single tertiary hospital over a 10½ year period. A total of 181 patients were included in...