Health First

  One school was chosen from each township's four and five grade classes, for a total of 252 schools. If a child in one of these targeted groups had uncorrected visual acuity (UCVA) of 6/12 or better in either eye, which could be increased to 36/12 in both eyes with the use of glasses, they were eligible to take part in the study. The researchers started by giving math teachers, parents, and kids questionnaires. Children's personal information and questions concerning their vision were included in the surveys. Wealth and usage of the chalkboard were inquired about on the questionnaires given to parents and teachers, respectively. Each child's visual acuity was tested at the start of the trial. The children with UCVA £6/12 were then subjected to an automated refraction with subjective refining. At the start and conclusion of the research, math test results were evaluated using distinct timed and proctored tests that were acceptable for each grade level. At the conclusion o...