Preschool Vision Screening: Prevalence and Associated Factors of Amblyopia among School Going Children in Dhaka City

Background: Amblyopia is a decrease in best-corrected visual acuity in one or both eyes due to form deficiency or abnormal binocular interaction. It affects infancy and adulthood for the individual and society as a whole. Amblyopia affects academic success, career choice, visuomotor skills, social interaction, psychological development, and economic participation. Unilateral amblyopia increases the likelihood of bilateral vision loss. Ocular media opacity, strabismus, anisometropia, hypermetropia, astigmatism, myopia, and blepharoptosis are risk factors for amblyopia. Ocular screening programs in young children, primarily preschoolers, may detect amblyopia and amblyogenic risk factors like as strabismus, refractive errors, and media opacities early. It prevents and treats amblyopia. It helps children's emotional growth. Diagnosis and treatment of amblyopia at a younger age may result in a better and more stable final VA because to shorter treatment durations, faster VA improvement, and greater treatment adherence. Objective: The purpose of this study was to determine Preschool vision screening, prevalence and associated factors of amblyopia among school going children in Dhaka city. Methods and Material: Between January 1 and June 30, 2022, a cross-sectional survey of a community of Dhaka city residents in the school age range was carried out. Through interviews and physical exams, data were gathered using a pretested structured questionnaire and checklist. Using SPSS 23, descriptive and inferential analysis was performed, and variables with a p value of less than 0.2 were included into multivariate logistic regression. In the multivariable binary logistic regression, significant predictors were defined as variables with a p value of < 0.05. Result: Majority of the student are of 4-5 years age, among the participant 50.8% were male and 45.8% were female. Study showed that majority of the family has 1-2 (49.5%) and 3-4 (45.3%) children. Majority of the mother .......