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Fig. 2 | BMC Ophthalmology

Fig. 2

From: Lhasa childhood eye study: the rationale, methodology, and baseline data of a 5 year follow-up of school-based cohort study in the Tibetan plateau region of Southwest China

Fig. 2

Lhasa childhood eye study (LCES) recruitment flow. Among the 1942 sampled students, 40 were ineligible according to the inclusion and exclusion criteria of LCES. Of the remaining 1902 eligible individuals, 1856 grade 1 students completed all the examinations with a response rate of 97.58%. 1853 (99.84%) of the examined students had cycloplegic autorefraction performed on both of their eyes

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