Léonard Kollros

Léonard Kollross was born in Biel, and is a native French speaker.


Léonard completed his bachelor’s degree in Optometry at the University of Applied Sciences and Arts Northwestern Switzerland, in Olten.

Clinical Focus

Léonard Kollros is interested in the adaptation of special lenses for keratoconus, irregular astigmatism, myopia control and dry eye.


French, German. Swiss German, English