Effect of physical activity on severity of primary angle closure glaucoma.

Objective: To determine the association between physical activity and severity of primary angle closure glaucoma in Malay patients.

Methods: A cross-sectional study was conducted involving 150 primary angle closure glaucoma patients between April 2014 and August 2016. Using the International Physical Activity Questionnaire, the physical activity status was assessed and divided into three categories: mild, moderate and heavy physical activity.