Productivity Study of Presbyopia Improvement in Textile Workers

NANot yet recruitingINTERVENTIONAL
Enrollment

136

Participants

Timeline

Start Date

December 13, 2019

Primary Completion Date

December 21, 2019

Study Completion Date

December 31, 2049

Conditions
Presbyopia
Interventions
DEVICE

Presbyopic Glasses/ Intervention Group

Immediate provision of a free pair of spherical presbyopic glasses to correct the worker's vision for optimal picking distance, astigmatism is corrected.

Trial Locations (1)

510000

Gaoming, Foshan, Guangdong, Foshan

All Listed Sponsors
lead

Zhongshan Ophthalmic Center, Sun Yat-sen University

OTHER

NCT04172935 - Productivity Study of Presbyopia Improvement in Textile Workers | Biotech Hunter | Biotech Hunter