Questionnaire on the data set Covid-19 infection and the Contact lens wearers: Lockdown A' (23 March- 4 May 2020), Greece.

The questionnaire is provided as a supplementary file. Only the completed questionnaires were used in the analysis. Participation in the study was voluntary and anonymous. The structure of the questionnaire used for data collection includes 3 sections, Demographic questions, General / Basic questions related to contact lens use and Questions about the infection risk, views, rumours and the possible impact or not of the Covid-19 pandemic on the contact lens use, during the period of the first lockdown in Greece (23 March- 4 May 2020). Each section consists of closed-ended question types, multiple-choice, 5-point Likert scale, dichotomous questions and Question Skip Logic. In the survey, 1676 individuals participated in which 1037 individuals were contact lens users and completed the questionnaire. The 76.7% (795 ) were Female and 23.3% (242 ) were Male.