The implementation of standardized protocols and a multidisciplinary approach improved reporting; discrepancies in disease classification and the amount of missing data were reduced; and quality measures and prognostic capabilities of the team were substantially improved. Such established data-driven practice supports faster decision making to enucleate diseased eyes and save patients' lives through providing measurable indicators.

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Objectives:The aim of this study was to determine the prevalence of visual impairment and percent distribution of childhood diseases affecting vision among preschool children (one day to 6 years) in Giza governorates of Egypt as a first step in National survey.Methods: A population-based survey was conducted on a multistage cluster sampling. Target population was one day to 6 years children living in rural areas of Giza, governorate using systematic random samples based on birth records. The total sample of children includes 4470 preschool children; 2304 males and 2166 females. They are socio-demographically surveyed for their living condition. Results:The total number of children subjected for ophthalmologic examination, visual assessment, genetic and pediatric examination were 2603 child. About 40% of them were diagnosed to have different eye problems. About 7.4% of examined children were diagnosed to have different genetic problems. Conclusion:This survey could be considered as the first building block of Egyptian health map by providing a baseline data on childhood blindness helping Egyptian health community direct their health services towards the actual needs present in the community.