Funding for this research was provided by:
Omikron Italia s.r.l. (not applicable)
Received: 14 February 2020
Accepted: 28 July 2020
First Online: 1 August 2020
Ethics approval and consent to participate
: Study protocol and consent form were approved by Comitato Etico Milano Area 1, ASST Santi Paolo e Carlo. Approval #607, 22/03/2017. Consent form was signed by all participants at the beginning of the study.
: Not applicable.
: The authors have no financial interest in the material or products discussed in the article. Paolo Fogagnolo and Luca Rossetti are Editors of BMC Ophthalmology.