Prevalence and risk factors of lens opacities in the elderly in Cuenca, Spain

1. Navarro Esteban, J.J.
2. Gutiérrez Leiva, J.A.
3. Valero Caracena, N.
4. Buendía Bermejo, J.
5. Calle Purón, M.E.
6. Martínez Vizcaíno, V.J.