2 results
Approved WMOCompleted
To compare the effectiveness of 1) double dose of cyclopentolate and 2) one dose of cyclopentolate and one dose of tropicamide with 3 days, total 5 doses atropine.To investigate whether one dose of tropicamide combined with cyclopentolate is as…
Approved WMORecruiting
Main objectives: 1. to investigate the prevalence of vision abnormalities in 9- and 10 year old children; 2. to investigate the percentage of these vision abnormalities that were detected the VOV screening programme;3. to investigate whether these…