71 publication(s) trouvée(s)
Article scientifique
Emerging technologies in artificial ocular devices: A systematic review
Background: Recent developments in vision restoration include visual prostheses designed to electrically stimulate artificial vision in those who have lost …
Article scientifique
Biomarkers as a predictor for diabetic retinopathy risk and management: A review
Background: The systemic and ocular manifestations of diabetes are an increasing burden on both private and public healthcare systems. The …
Article scientifique
Comparison of the amplitude of accommodation determined subjectively and objectively in South African university students
Background: Historically, two clinical methods have been used for measuring the amplitude of accommodation, which are the push-up and minus …
Article scientifique
Tuberculosis manifested as Parinaud’s oculoglandular syndrome
A 5-year-old male patient presented to the Sekuru Kaguvi Eye Hospital (SKH) with a painful discharging right eye (RE) for …
Article scientifique
Vision-specific and psychosocial impacts of low vision among patients with low vision at the eastern regional Low Vision Centre
Purpose: To determine vision-specific and psychosocial implications of low vision among patients with low vision visiting the Low Vision Centre …
Article scientifique
A comparative analysis of the postural and diurnal ocular perfusion pressure of young healthy individuals of different ethnicities
Purpose: Ocular perfusion pressure (OPP) regulates the flow of blood to the optic nerve and is determined by the interaction …
Article scientifique
Profile of refractive error in Ekiti, south western Nigeria
Background: Refractive error is one of the eye disorders with the capability of causing visual impairment. We needed to know …
Article scientifique
Ethambutol toxic optic neuropathy: A case report and review
This article presents a case of ethambutol toxic optic neuropathy determined during the routine optometric examination of a 66-year-old man. …
Article scientifique
Prevalence of heterophoria and its association with near fusional vergence ranges and refractive errors
Background: Heterophoria is an error of binocular alignment that manifests only during monocular viewing or in conditions that disrupt binocular …
Article scientifique
An evaluation of the public sector optometric service provided within the health districts in KwaZulu-Natal, South Africa
Background: In South Africa, optometry has been traditionally positioned within the private sector. The situation has gradually changed over the …
Article scientifique
Attitudes and perceptions of Sudanese high-school students and their parents towards spectacle wear
Background: Uncorrected refractive error is a major cause of avoidable vision impairment and may have significant impact on social life, …
Article scientifique
Repeatability of macular thickness measurements with the iVue-100 optical coherence tomographer
Background: The reliability of an instrument is dependent on its accuracy and repeatability. The iVue-100 optical coherence tomographer (OCT) is …
Article scientifique
Retinal nerve fibre layer and ganglion cell complex thickness in patients with keratoconus
Background: Keratoconus, a corneal ectasia, is associated with corneal thinning and altered optical media. Consequently, assessment of the visual field, …
Article scientifique
Stereoacuity and refractive, accommodative and vergence anomalies of South African school children, aged 13–18 years
Aim: The aim of this study was to explore possible associations between stereoacuity and refractive, accommodative and vergence anomalies.Methods: The …
Article scientifique
Comparing the validity of an online Ishihara colour vision test to the traditional Ishihara handbook in a South African university population
Background: Colour vision tests are becoming increasingly available on online platforms to the ordinary internet user. Limited research has been …
Article scientifique
A review of visual impairment
Visual impairment (VI), a global concern that is likely to escalate with prolonged life expectancies, has gained increasing attention in …
Article scientifique
A longitudinal observation of a patient with normal tension glaucoma
Normal tension glaucoma (NTG) is a disease associated with normal intraocular pressure (10 mmHg – 21 mmHg) that may lead …
Article scientifique
Test–retest reliability of contrast visual acuities in a clinical population
Background: Previously, contrast visual acuities (VA) have been evaluated as a potential screening, diagnostic and predictive tool in cases where …
Article scientifique
Disclosure of errors in optometric practice in Nigeria
Background: Human beings are prone to making mistakes, whether in their personal or professional lives. Errors in health care are …
Article scientifique
Diabetic patients’ awareness regarding diabetes mellitus and its ocular complications at the National District Hospital in Bloemfontein, Free State, South Africa
Introduction: Globally, the prevalence of diabetes mellitus (DM) and obesity is rapidly increasing. DM and, consequently, diabetic retinopathy (DR) are …