Effects of Socio-economic Status Inequality on Health Outcomes.

Dear Editor Studies about association between socio-economic status (SES) and health outcomes have been increasingly undertaken in Iran in the last decade.1–3 The connection between SES and health outcomes should be systematically analyzed to yield better interventions.4 In the following decades, reduction of socioeconomic inequalities can be an achievable goal but we should provide the necessary knowledge for it.5 It is apparent that we devote more effort and energy to explore a contextual effect of socio-economic inequality on health. Further studies need to be conducted in developing countries and unequal societies to investigate probable inequality.6 In the current issue of the Archives of Iranian Medicine in January 2017, we read an article by Katibeh, et al. titled “Association of Socio-Economic Status and Visual Impairment: A PopulationBased Study in Iran”. This article provides a new view on exploring the effect of SES inequality on a preventable disability.7 The mentioned study showed that the overall prevalence of visual impairment leans towards lowest income group and a gap was