Original Research

Keratoconic patient profile and management at public sector facilities in South Africa

Pheagane M.W. Nkoana, Vanessa R. Moodley, Khathutshelo P. Mashige
African Vision and Eye Health | Vol 82, No 1 | a780 | DOI: https://doi.org/10.4102/aveh.v82i1.780 | © 2023 Pheagane M.W. Nkoana, Vanessa R. Moodley, Khathutshelo P. Mashige | This work is licensed under CC Attribution 4.0
Submitted: 02 June 2022 | Published: 20 June 2023

About the author(s)

Pheagane M.W. Nkoana, Discipline of Optometry, Faculty of Health Sciences, University of KwaZulu-Natal, Durban, South Africa; and, Department of Optometry, Faculty of Health Sciences, University of Limpopo, Polokwane, South Africa
Vanessa R. Moodley, Discipline of Optometry, Faculty of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
Khathutshelo P. Mashige, Discipline of Optometry, Faculty of Health Sciences, University of KwaZulu-Natal, Durban, South Africa

Abstract

Background: Keratoconus (KC) is a condition marked by thinning and protrusion of the cornea resulting in high myopia and irregular astigmatism. Knowledge of KC patients’ profiles and management approaches used can help to predict the needs of public hospitals to improve patient care.

Aim: This study aimed to describe the profiles and management of KC patients.

Setting: Capricorn district, Limpopo Province, South Africa.

Methods: Medical records of 188 KC patients attending public hospitals of Capricorn District from January 2017 to December 2020 were reviewed. Data on patient profile and their management were collected and analysed.

Results: The mean age of KC patients was 20.64 ± 6.82 years and the majority (56.9%) were males. Clinical findings were mean unaided visual acuity (UVA) of 0.19 ± 0.18, best corrected VA of 0.53 ± 0.24, spherical equivalence of -4.89 ± 9.17 dioptre (D), mean K of 57.37 ± 17 D and corneal astigmatism of -6.24 ± 4.27 D. A total of 54.5% of patients had severe KC. Bilateral KC was found in almost all patients (97.3%) and a mean K difference of 7.59 ± 6.08 D (p < 0.001) between the better and the worse eye. The study found no significant difference in KC severity by age (p = 0.451) and gender (p = 0.819). Patients fitted with scleral lenses had the highest VA improvement of 0.44 ± 0.17.

Conclusion: Most patients presented with bilateral and severe KC. Scleral lenses provided higher VA improvement than other methods.

Contribution: The study aimed to present the clinical profile and management of keratoconic patients attending public sector facilities. Knowledge of the patterns of KC presentation may assist in the development of intervention strategies and guidelines for best practice in the management of KC, especially in public sector facilities.

 


Keywords

keratoconus, demographic and clinical characteristics; keratoconus management; Capricorn District of Limpopo province; progression of keratoconus

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Crossref Citations

1. Experiences of keratoconus patients attending public eye care facilities in South Africa
Pheagane M.W. Nkoana, Percy K. Mashige, Vanessa R. Moodley
African Journal of Primary Health Care & Family Medicine  vol: 16  issue: 1  year: 2024  
doi: 10.4102/phcfm.v16i1.3974