Prevalence and causes of visual impairment in indigenous (tribal) community. Tribal Odisha eye disease study # 12.

Purpose: To document the spectrum and magnitude of eye disorders and visual impairment in the Dongaria-a Particularly Vulnerable Tribal Group in the Rayagada district of Odisha, India.

Methods: A door-to-door screening protocol included a record of basic health parameters, visual acuity for distance, and near and flashlight examination of the eyes. Spectacles were dispensed to those who improved; those who failed the screening were referred to fixed (primary and secondary) eye care centers.

Need of optical aids for schools for blind students in Pune and Nasik districts and compliance of their use.

Purpose: To assess the need for spectacles and low-vision aids (LVA) in students attending schools for the blind and study their compliance with use.

Methods: Comprehensive ocular evaluation was performed using a hand-held slit lamp and ophthalmoscope. Vision acuity was measured using a logarithm of the minimum angle of resolution (logMAR) chart for distance, as well as for near.

Prevalence of refractive error among Dongarias and use of Folding Phoropter (FoFo) as a field device enabling implementation research in this indigenous community. Tribal Odisha Eye Disease Study (TOES) Report # 13.

Purpose: To evaluate the prevalence of uncorrected refractive error (URE) among Dongarias-a particularly vulnerable tribal group in Rayagada, Odisha, India and evaluate if folding phoropter (FoFo) can help achieve on-site correction of URE.

Methods: This was a cross-sectional study. FoFo was used for people with URE.