amblyopia prevention screening program in northwest iran (ardabil)

background: the aim of this study was to evaluate the results of amblyopia screening in ardabil province in three examination levels by kindergarten teacher, optometrist, and ophthalmologist. methods: in a cross‑sectional study, the results of the national amblyopic prevention program in 2–6 years old children in ardabil province were investigated in 2012. the results pertained to the examinations of children participating in this research were collected in the national approved forms. the data were entered into the computer and were analyzed using statistical methods in spss 18. results: around 38,844 children (51.7%) out of 75173 with 2–6 years old qualified children participated in the screening program in ardabil province. in the first stage of screening, 1068 children (33.1%) are visually impaired in one eye and 2160 children (66.9%) are visually impaired in two eyes. in the second stage, the results related to the examinations by optometrists indicated that the prevalence of refractive errors, strabismus, and others were 70%, 27.8%, and 2.2%, respectively. refractive errors problem was most prevalent in ardabil city (72.6%).the prevalence of refractive errors, strabismus, and other reasons in amblyopic children was 51.3%, 23.9%, and 24.8%; respectively. conclusions: the present investigation showed that coverage of amblyopia screening program was not enough in ardabil province. to increase the screening accuracy, standard  instruments and examination room must be used; more optometrists must be involved in this program and increasing the validity of obtained results for future programming.