Vision related quality of life among Nepalese patients with keratoconus

Author:

Koirala Bipin1,Sapkota Arjun2,Chaudhary Meenu3,Sitaula Sanjeeta3,Mishra Sanjeeb3,Mahat Manoj3,Chandan Aayush3

Affiliation:

1. Himalaya Eye Institute, Pokhara University, Gharipatan

2. Himalaya Eye Hospital, Gharipatan, Pokhara

3. Institute of Medicine, Tribhuvan University, Nepal

Abstract

Introduction: Keratoconus (KC) is a bilateral progressive noninflammatory disorder characterized by irregular astigmatism and corneal thinning. KC results in a disproportionate impact on major aspects of quality of life (QoL) of a person due to its early onset and chronic nature. This study aims to evaluate vision-related QoL in Nepalese patients with KC. Method: A cross-sectional hospital-based study was carried out for 1 year. A sample of 35 KC subjects and 38 control subjects who met the eligibility criteria were enrolled. All subjects underwent corneal topography and abberometry along with a comprehensive eye examination. Both cases and controls completed the NEI VFQ 25 questionnaire. Visual acuity (high contrast visual acuity and LCVA), CS, color vision, refraction, and scores of all subscales of QoL were measured. The QoL scores were correlated with each of the visual function parameters in KC subjects. Result: The mean scores of all of the subscales of QoL were found significantly less in the KC group than in age and sex matched control group with P<0.001 The mean composite score was found to reduce significantly as the grade of KC increased. The mean composite score for grade 1 KC was 70.79±7.96, grade 2 KC was 60.56±6.49 and for grade 3 KC was 55.99±0.67 with P=0.001 about better eye. There was a highly significant difference in the mean composite score of QoL between these contact lens wearers and spectacle wearers. The mean composite score for spectacle wearer was 67.86±07.99 and that of contact lens wearer was 58.63±04.26 with P=0.004. Conclusion: This study concluded that the QoL of keratoconic individuals was found to reduce gradually as the severity of the disease increased. QoL score in contact lens-wearing Nepalese KC patients is worse than spectacle wearers. By stopping the progression of disease we can maintain functional vision as well as a vision-related QoL. Our study findings suggested that vision and visual function parameters in the better eye is the most important parameter affecting VR-QOL of patients with KC. KC patients should maintain the best vision that they can have.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

General Medicine

Reference13 articles.

1. Keratoconus;Rabinowitz;Surv Ophthalmol,1998

2. The genetic and environmental factors for keratoconus;Gordon-Shaag;Biomed Res Int,2015

3. Epidemiology of keratoconus;Gokhale;Indian J Ophthalmol,2013

4. Pentacam top indices for diagnosing subclinical and definite keratoconus;Hashemi;J Curr Ophthalmol,2016

5. A 48-year clinical and epidemiologic study of keratoconus;Kennedy;Am J Ophthalmol,1986

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