Purpose: The purpose of the present study is to determine the effects of type 2 diabetes mellitus on tear osmolarity using a TearLab Osmolarity system. Moreover, the relationship between tear film osmolarity and ocular surface discomfort in controlled and uncontrolled diabetic patients was assessed.
Materials And Methods: This study included 20 male type 2 diabetic patients aged 20 to 70 years (mean ± SD 49±12).