PHÁT HIỆN KHÔ MẮT

During a typical day in the past month, how often did your eyes feel discomforts ?

When your eyes felt discomfort, how intense was this feeling of discomfort at the end of the day, within two hours of going to bed?

During a typical day in the past month, how often did your eyes feel dry?

When your eyes feel discomfort, how intense was this feeling of discomfort at the end of the day, within two hours of going to bed?

During a typical day in the past month, how often did your eyes look or feel excessively watery?