by Morgan, Philip B, Murphy, Paul J, Gifford, Kate L, Gifford, Paul, Golebiowski, Blanka, Johnson, Leah, Makrynioti, Dimitra, Moezzi, Amir M, Moody, Kurt, Navascues-Cornago, Maria, Schweizer, Helmer, Swiderska, Kasandra, Young, Graeme, Willcox, Mark
Published in Contact lens & anterior eye (01.04.2021)

by Morgan, Philip B., Efron, Nathan, Papas, Eric, Barnett, Melissa, Carnt, Nicole, Dutta, Debarun, Hepworth, Andy, Little, Julie-Anne, Nagra, Manbir, Pult, Heiko, Schweizer, Helmer, Shen Lee, Bridgitte, Subbaraman, Lakshman N., Sulley, Anna, Thompson, Alicia, Webster, Alexandra, Markoulli, Maria
Published in Contact lens & anterior eye (01.08.2024)

by Zeri, Fabrizio, Eperjesi, Frank, Woods, Craig, Bandlitz, Stefan, Kumar Bhootra, Ajay, Joshi, Mahesh R., Nagra, Manbir, Schweizer, Helmer, Naroo, Shehzad A.
Published in Contact lens & anterior eye (01.04.2023)

by Schweizer, Helmer
Published in Contact lens & anterior eye (01.10.2008)

by Schweizer, Helmer
Published in Contact lens & anterior eye (01.10.2008)

by Morgan, Philip B., Murphy, Paul J., Gifford, Kate L., Gifford, Paul, Golebiowski, Blanka, Johnson, Leah, Makrynioti, Dimitra, Moezzi, Amir M., Moody, Kurt, Navascues-Cornago, Maria, Schweizer, Helmer, Swiderska, Kasandra, Young, Graeme, Willcox, Mark
Published in Contact lens & anterior eye (01.04.2021)

by Long, Bill, Schweizer, Helmer, Bleshoy, Hans, Zeri, Fabrizio
Published in Eye & contact lens (01.03.2009)

by Schweizer, Helmer CG, Bellach, Sandra, Fraatz, Manuel
Published in Contact lens & anterior eye (2011)

by Schweizer, Helmer, Williams, Lewis, Morris, Judith, Mely, René, Duddek, Armin, Chryssolor, Andrian
Published in Contact lens & anterior eye (01.12.2011)

by Wolffsohn, James S, van der Worp, Eef, de Brabander, John
Published in Contact lens & anterior eye (01.12.2013)

by Schweizer, Helmer
Published in The Optician (01.05.2012)

by Windeck, Sandra, Schweizer, Helmer, Moest, Peter
Published in The Optician (06.04.2007)

by FAHRBACH ERICH, TECL BOHUSLAR, KNOKE JURGEN, SCHWEIZER HELMER, GRABER ADOLF
Year of Publication 03.03.1983

by TECL; BOHUSLAV, FAHRBACH; ERICH, KNOKE; JUERGEN, GRAEBER; ADOLF, SCHWEIZER; HELMER
Year of Publication 31.03.1981

by HELMER SCHWEIZER, BOHUSLAV TECL, JURGEN KNOKE, ERICH FAHRBACH, ADOLF GRABER
Year of Publication 31.05.1979

by Grzesik, Manja, Sickenberger, Wolfgang, Moest, Peter, Schweizer, Helmer
Published in The Optician (03.06.2005)

by ERICH FAHRBACH, ADOLF GRABER, JURGEN KNOBE, HELMER SCHWEIZER ET BOHUSLAV TECL
Year of Publication 22.06.1979

by KNOKE, JUERGEN. DR, GRAEBER, ADOLF, SCHWEIZER, HELMER, 6945 HIRSCHBERG, FAHRBACH, ERICH. DR, TECL, BOHUSLAV., 6940 WEINHEIM
Year of Publication 24.01.1980

by KNOKE, JUERGEN. DR, GRAEBER, ADOLF, SCHWEIZER, HELMER, 6945 HIRSCHBERG, FAHRBACH, ERICH. DR, TECL, BOHUSLAV., 6940 WEINHEIM
Year of Publication 23.05.1979

by Roth, Hans, Amon, Karl, Bruckmann, Peter, Degle, Stephan, Pilz, Peter, Schmitt-Lieb, Karlveit, Uwe, Seliger, Thümmler, Ute, Schweizer, Helmer
Published in The Optician (05.08.2005)