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Objective. This study sought to add to the body of information on the prevalence and pattern of vernal keratoconjunctivitis (VKC) among school aged children in Cross River State, Nigeria. Method. A cross-sectional survey of children in public primary schools in Cross River State, Nigeria, was studied for VKC. Five schools were included, using a multistage sampling technique. Comprehensive eye examinations were conducted in one thousand two hundred and twenty-six (1226) school children. Main Outcome Measures/Results. The mean age of the population of 1226 school attending children was 9.62±2.324. The prevalence of VKC was 18.1% in this population study. The ratio of males to females is 1.8 : 1. The clinical grading of the 223 children with VKC is as follows: 43 (19.3%) quiescent, 134 (60.1%) mild, 44 (19.7%) moderate, and 2 (0.9%) severe VKC. The clinical types reported are as follows: limbal 67 (30.0%), tarsal 105 (47.1%), and mixed 51 (22.9%). The clinical types were used to describe a modified nomenclature. Conclusions. Vernal keratoconjunctivitis is a commonly occurring chronic condition and an important public health problem. A simple diagnostic nomenclature for describing VKC for primary health care workers is recommended

Vernal Keratoconjunctivitis in Public Primary School Children in Nigeria: Prevalence and Nomenclature