Evaluating the optimised font size and viewing time of online learning in young children: a multicentre cross-sectional study

• Main Authors: Yan Li (Author), Lu Ma (Author), Kai Wang (Author), Lili Wei (Author), Jiawei Zhou (Author), Xi Yu (Author), Ling Gong (Author), Zisu Peng (Author), Mingwei Zhao (Author)
• Format: Book
• Published: BMJ Publishing Group, 2023-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Objectives Near viewing distance (VD) and longer viewing times are associated with myopia. This study aimed to identify the font size and viewing time that guarantee the appropriate VD and pixels per degree (PPD) for children's online learning.Design This cross-sectional study comprised two exp...