Saggam Narsaiah

Presbyopia, spectacles use and spectacle correction coverage for near vision among cloth weaving communities in Prakasam district in South India

R. Khanna, Srinivas Marmamula, Saggam Narsaiah, 2013, Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians.

Population‐based assessment of sensitivity and specificity of a pinhole for detection of significant refractive errors in the community

J. Keeffe, R. Khanna, G. Rao, 2014, Clinical & experimental optometry.

Visual Impairment in the South Indian State of Andhra Pradesh: Andhra Pradesh - Rapid Assessment of Visual Impairment (AP-RAVI) Project

R. Khanna, G. Rao, Srinivas Marmamula, 2013, PloS one.

Refractive error in children in a rural population in India.

Rakhi Dandona, Lalit Dandona, L. Dandona, 2002, Investigative ophthalmology & visual science.

Prevalence of spectacles use in Andhra Pradesh, India: Rapid Assessment of Visual Impairment project

R. Khanna, G. Rao, Srinivas Marmamula, 2014, Clinical & experimental ophthalmology.

Visual Impairment among Weaving Communities in Prakasam District in South India

R. Khanna, Srinivas Marmamula, Saggam Narsaiah, 2013, PloS one.