01. Resnikoff, S., D. Pascolini, S.P. Mariotti, et al., Global magnitude of visual impairment caused by uncorrected refractive errors in 2004. Bull World Health Organ, 2008. 86(1): p. 63-70.

01. Resnikoff, S., D. Pascolini, S.P. Mariotti, et al., Global magnitude of visual impairment caused by uncorrected refractive errors in 2004. Bull World Health Organ, 2008. 86(1): p. 63-70.