You searched for "virtual"
Effective contrast ratio as a measure of binocular visual perception
The authors used a binocular phase combination paradigm to quantitatively evaluate and compare the binocular visual perception of normal individuals and patients with different types of strabismus to understand the binocular visual perception of patients with strabismus and evaluate whether...
Nonarteritic anterior ischaemic optic neuropathy
This review article describes nonarteritic anterior ischaemic optic neuropathy (NAION). This condition is one of the common causes of visual loss in adults. The article uses a good range of references and is divided under the headings of; demographics, clinical...
Strabismus and binocular summation
The authors conducted a pilot study to investigate the effect of visual noise or background complexity on binocular summation in patients with strabismus. A target embedded in pixel noise was used. The study involved performance of a task detecting a...
Visual acuity after cataract surgery in AMD patients
The data from this study are obtained from the Age-Related Eye Disease Study (AREDS) 2 and analysed to evaluate if cataract surgery benefits patients with concurrent age-related macular degeneration (AMD). The AREDS 2 was a five year, prospective, multi-centre randomised...
Screening for stroke-related visual problems
The aim was to report the initial development and evaluation of a suitable screening tool for detecting visual problems after stroke. The tool has four components. The first three include questions asked by examiners about patients’ ocular history and symptoms,...
Vision screening opinion
The aim of this paper is to describe experts’ perceptions of best practice guidelines and competency frameworks for visual screening in children. A focus group of approximately 75 minutes duration consisted of five orthoptists and two paediatric ophthalmologists with more...
An unusual case of sellar chondroma
A single case of chondrogenic neoplasm arising from the base of the skull is presented and discussed. These benign and slow growing tumours in the sellar region are extremely rare and as such this article provides a useful insight and...
Translucent vs. lightproof occluders
This study investigates the change in visual acuity following occlusion in amblyopes and non-amblyopes using translucent versus lightproof occlusion of the dominant eye. Group 1 non-amblyopes consisted of 26 subjects: 16 visually normal and 10 strabismic or anisometropic subjects without...
Test retest values for TNO, Frisby, Lang stereopad and Asteroid stereoacuity tests
This study aimed to determine test-retest variability of four different measurements of stereoacuity including TNO, Frisby, Lang stereopad and Asteroid, and compare stereoacuity values between tests in an adult population. Participants were >18 years of age (mean 38 years, SD...Ophthalmology in ancient india, Sushruta’s time and the modern era
While reading an article related to the history of Indian ophthalmology, I came across this description of a surgical procedure: “The doctor warmed the patient’s eye with the breath of his mouth. He rubbed the closed eye of the patient...The paediatric cataract: an overview of the embryology and pathophysiology
In the first of the two articles (see Part 2 here) on paediatric cataracts, Samuel Aryee reviews the aetiology of this condition. Cataracts arise from opacification of the natural transparent lens, which can cause partial or total blindness. Although the...
