10,234
Participants
Start Date
September 30, 2014
Primary Completion Date
June 30, 2015
Study Completion Date
July 31, 2015
Free Glasses
Provide free glasses
Upgrade Glasses 1
Provide optional purchase from range of spectacles, cheapest RMB100 (Mean price paid for glasses by Control families in Seeing is Learning I, subtracting one SD)
Upgrade Glasses 2
Provide optional purchase from range of spectacles, cheapest RMB200 (Mean price paid for glasses by Control families in Seeing is Learning I, adding one SD)
Zhongshan Ophthalmic Center, Guangzhou
Collaborators (1)
Orbis
OTHER
United States Agency for International Development (USAID)
FED
The Fred Hollows Foundation
UNKNOWN
Rural Education Action Project
UNKNOWN
Second People's Hospital of Yunnan Province
OTHER
Sun Yat-sen University
OTHER