Knowledge and awareness about diabetes mellitus and diabetic retinopathy in suburban population of a South Indian state and its practice among the patients with diabetes mellitus: A population-based study.

Context: Ocular complications due to diabetes mellitus (DM) were on the rise despite good literacy levels in South India.

Aims: To assess the knowledge and attitude toward DM and diabetic retinopathy of the general population in a suburban town of South India.

Settings And Design: Door-to-door population survey in suburban town of South India in May 2013.