Purola, Petri K. M. http://orcid.org/0000-0001-5308-8622
Koskinen, Seppo V. P.
Uusitalo, Hannu M. T.
Funding for this research was provided by:
Tampereen seudun Näkövammaisten tukisäätiö s.r
Glaukooma Tukisäätiö Lux s.r
Elsemay Björn Fund
Finnish Federation of the Visually Impaired
Päivikki ja Sakari Sohlbergin Säätiö
Juho Vainion Säätiö
Article History
Accepted: 3 November 2022
First Online: 17 November 2022
Declarations
:
: The authors have no relevant financial or non-financial interests to disclose.
: The Health 2011 Survey was approved by the Coordinating Ethics Committee at the Hospital District of Helsinki and Uusimaa in Finland [CitationRef removed]. The survey was conducted in accordance with the ethical standards of the institutional and/or national research committee, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Written informed consent was obtained from all participants [CitationRef removed].