You searched for "acuity"

1336 results found

Physical activity levels in adolescents with amblyopia

The purpose of this study was to investigate the association between amblyopia and the self-reported type and amount of physical activity in adolescents aged 12–18 years. The study recruited 26 amblyopes and 26 control subjects: 24 female and 28 males....

Causes of abnormal head postures – literature review

Yadegari reports a narrative literature review for abnormal head postures (AHPs) with discussion on different causes. This review summarises the control of a normal head posture before discussing differences of ocular vs non-ocular AHPs. Ocular AHPs may be adopted to...

FSAK versus toric IOL implantation for correcting astigmatism in cataract patients

Nine studies of 590 patients were retrieved from the Ovid-Medline, EMBASE, Cochrane register of controlled trials and Scopus which compared femtosecond laser-assisted astigmatic keratotomy (FSAK) and toric IOL for astigmatism correction in cataract patients. The trial sequential analysis was used...

Which cover test method is the best starting point for prescribing temporary prisms?

A retrospective review of medical records was completed, identifying consecutive patients prescribed Fresnel prisms for diplopia, assessed using both simultaneous prism and cover test (SPCT) and prism and alternate cover test (PACT) by a single orthoptist over a 36-month period....

Comparison of degradation of stereoacuity with reduced visual input

The aim of this study was to investigate the differing extents to which stereo thresholds obtained with Frisby, TNO, Lang Stereopad and ASTEROID stereo tests are affected by changes in visual input in adults. Bangerter foils (0.2 and 0.4) were...

Infantile exotropia surgical outcomes

This study investigates the success rate and dose response of bilateral lateral rectus muscle recessions (BLL) and bilateral lateral rectus muscle recessions plus unilateral medial rectus resection (LMR) on basic type infantile exotropia of 20–45PD. This was a retrospective review...

Changes in phoria measurements after physical activity

This study aimed to evaluate effects of physical activity (aerobic and anaerobic) on the latent eye deviation. The study recruited 20 competitive soccer players (10 myopes (mean -0.63D) and 10 emmetropic: 19 males), who underwent a total 90-minute exercise of...

Clinical characteristics and visual outcome of patients with macular pseudohole

This is a retrospective study of consecutive patients with macular pseudohole (MPH) who had vitrectomy and were followed for at least 6 months postoperatively. MPH was diagnosed based on spectral-domain optical coherence tomography (OCT) findings. 76 eyes of 75 patients...

Non-organic visual loss

Patients can present to eye departments with various signs and symptoms (mostly symptoms) with no obvious organic cause. These patients can be labelled with any of a wide range of diagnoses such as functional visual loss, functional overlay, psychosomatic reaction...

A case of ‘60-day glaucoma’

Neovascular glaucoma (NVG) has been called ‘90-’ or ‘100-day glaucoma’ in the past due to its typical development three months after the onset of central retinal vein occlusion (CRVO). In reality, NVG can occur anywhere between two weeks and two...

Trans-sinus endoscopic removal of retrobulbar air gun pellet within the orbital apex

Injuries to the eye have been widely reported in medical literature due to a variety of mechanisms causing significant morbidity and occasional unexpected mortality for the patient [1]. It is often wrongly assumed that air gun pellets lack this potential....

The role of inflammation in the pathophysiology of DMO

Diabetic macular oedema (DMO) is a major cause of visual loss in diabetes, with a complex multifactorial pathogenesis. In the UK alone it is estimated that there are nearly 2.5 million diabetic patients aged over 12 years. Approximately 65,000 of...