Abu-Shaqara, Sameeh2022-05-182022-05-1819881801https://drepo.sdl.edu.sa/handle/20.500.14154/3388the prevalence and causes of distant visual acuity defects were determined using snllen E chart on a random sample of 1188 school children aged 6-19 years old in al khobarenPrevalence and Causes of Visual Acuity Defect in Male School Children in Al-KhobarThesis