Clinical relevance: Contact lens (CL) compliance studies are beneficial to identify potential risks, take necessary measures, and issue warnings on time.Background: Understanding CL compliance is crucial to ensure that individuals maintain healthy and appropriate CL wear. The present study aims to assess knowledge and awareness about soft CLs; the degree of non-compliance among soft CL wearers; and the associations of these with demographic features.Methods: A comprehensive questionnaire composed of 44 questions was used to assess the demographic characteristics, hygiene care, habits, knowledge, opinions, awareness and experiences of 109 soft CL wearers. The survey was conducted between September 2019 and March 2020.Results: The mean non-compliance rates were: 35.4% and 11.2% for hand-washing and hand-drying; 77.8% for rubbing/rinsing of the CLs; and 37.0%, 50.5%, and 31.6% for swimming, showering, and overnight sleeping with the CLs in, respectively. Women were more compliant in manual cleaning and rinsing of the CL storage cases with lens solution (p = 0.037). Swimming behaviour with inserted CLs was significantly high among CL users with over 5 years of experience (p = 0.03). Additionally, 85% of the wearers generally found the soft CLs comfortable, and 69.8% found the cost of the soft CLs reasonable. Over 90% of the wearers spent between 0 to 5 min per day to insert and remove the soft CLs.Conclusion: Women presented with more frequent CL use, and were significantly more compliant in terms of cleaning the CL storage cases. Regardless of gender, the non-compliance of swimming with inserted CLs was significantly high among CL wearers with over five years of experience. A majority of the results of the investigated non-compliances did not depend on gender, income level, age-group, duration of CL use, and education level.
Keywords: behaviour; contact lens; habit; hygiene; survey.