TY - RPRT TI - Prevalence of Refractive Error and Need for Corrective Lenses in Medically Underserved Residents of Tijuana, Mexico AU - Ubels, J. L. AU - Ismond, J. M. AU - Timmermans, M. A. AU - Hoogewerf, A. J. PY - 2019 DO - 10.1101/602805 UR - https://www.biorxiv.org/content/10.1101/602805v1 ID - 10.1101/602805 ER -