Authors
Sanita Līduma
Department of Optometry and Vision Science, Faculty of Physics and Mathematics, University of Latvia, 1 Jelgavas Str., LV-1004,, Rīga, Latvia
Gunta Krūņmiņa
Department of Optometry and Vision Science, Faculty of Physics and Mathematics, University of Latvia, 1 Jelgavas Str., LV-1004,, Rīga, Latvia