You searched for "perimetry"

1513 results found

Acute retinal necrosis presumably caused by Epstein-Barr virus infection

Acute retinal necrosis (ARN) is an uncommon, but serious and potentially blinding condition. ARN is characterised by panuveitis, occlusive vasculopathy and progressive peripheral necrotising retinitis. The diagnosis is clinical but confirmation is sought via aqueous and vitreous sampling. Varicella zoster...

N-T asymmetry in tracking eye movements

The current study aimed to quantify and compare the visual tracking responses of two sensory induced strabismic juvenile monkeys during monocular smooth pursuit, ocular following response and optokinetic nystagmus (OKN). Monkey 1 had esotropia and monkey 2 had exotropia. Both...

Biomechanical stabilisation of ocular measurements post cataract surgery

This prospective study looks into the time duration of biomechanical stabilisation post uneventful cataract surgery in a case series of 62 consecutive eyes in patients with no ocular or systemic comorbidity. The patients were followed-up at fixed intervals of one...

Effect of long-term RGP-CL wear on keratoconus progression

This is a retrospective study between April and December 2017, of 22 rigid gas-permeable contact lens (RGP-CL) patients (31 eyes) and 15 non-CL patients (20 eyes) who fulfilled the criteria of: 1) >3 years follow-up and 2) Scheimpflug-based corneal imaging...

Avoiding pre-placed recti sutures in enucleation

This is a retrospective review of 40 patients who underwent enucleation using a non-conventional technique in which the recti muscles were detached from the sclera without pre-placing any sutures to secure the cut muscle ends. The surgery was only performed...

The College of Optometrists welcomes Healthwatch England's primary eye care report recommendations

The College of Optometrists welcomes Healthwatch England’s recommendations to commission more optometry services within primary care to reduce hospital waiting times and improve patient outcomes Professor Irene Ctori FCOptom, Vice-President of The College of Optometrists, commented: “Healthwatch England’s new report...

Literature review of OKN

The authors conducted a critical review of the optokinetic nystagmus (OKN) literature to consider OKN and in particular, vertical OKN. The review provides an overview of OKN to aid understanding of the eye movements. It provides a review of the...

RaScaL Study

The RaScaL study was a six month, single-centre, controlled, prospective phase I/II study in which subjects with diabetic macular oedema (DME) and associated peripheral nonperfusion on ultrawide-field fluorescein angiography (UWFA) were randomised to: (1) study arm: ranibizumab (0.5 mg) injection...

Occult spread of squamous cell carcinoma into the orbit

The authors describe two cases that may represent perineural spread of cutaneous squamous cell carcinoma (SCC) into the orbit. Both cases had cutaneous squamous cell carcinomas in the region of the lateral orbital wall (innervated by the zygomatico-temporal nerve) which...

Navigating the retina: the nitty-gritty of slit-lamp fundus examination

The slit-lamp fundus examination can be a difficult and disorientating task for beginners due to the retina being viewed in a non-anatomical orientation, the small area of retina illuminated, and the counterintuitive technique of the examination. This article provides a...

Practice Plus Group: CSR in primary care optometry

Practice Plus Group Ophthalmology are delighted to offer a virtual accredited event for local referrers: ‘CSR in primary care optometry’Central serous retinopathy (CSR) is the fourth most common medical retinal condition which affects mainly patients of working age. It is...

PUK after corneal crosslinking

This retrospective study aimed to report the incidence, characteristics, clinical presentations, risk factors, and the available treatment modalities of sterile peripheral ulcerative keratitis (PUK) post-corneal collagen crosslinking (CXL). In total 771 eyes of 474 patients operated for keratoconus or ectasia...