Prevalence of congenital colour vision deficiency among Black school children in Durban, South Africa.

ABSTRACT:

Objectives

Congenital colour vision deficiency (CCVD) is an x-linked chromosome disorder that results from abnormalities in one or all three-cone type's photoreceptors. Early assessment and diagnosis of CCVD is necessary to minimise the disability associated with the condition. Multistage sampling was used to determine the prevalence of CCVD among Black South African school children in Durban, South Africa. The examination included visual acuity measurements, ocular motility evaluation, retinoscopy, auto-refraction, and examination of the anterior segment, media and fundus. Colour vision testing was performed using Colour Vision Testing Made Easy colour plates (Home Vision Care, Gulf Breeze, FL).

Results

1305 (704 boys and 601 girls) Black school children participated in the

SUBMITTER: Mashige KP 

PROVIDER: S-EPMC6558866 | biostudies-literature | 2019 Jun

REPOSITORIES: biostudies-literature