The British journal of ophthalmology
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To determine the prevalence of the met and unmet need for spectacles and their associated factors in the population of Tehran. ⋯ This survey determined the met and unmet need for spectacles in a Tehran population. It also identified high risk groups with uncorrected refractive errors to guide intervention programmes for the society. While the study showed the unmet need for spectacles and its determinants, more extensive studies towards the causes of unmet need are recommended.