4-10-2013: During the ESCRS Congress in Amsterdam Dr. Vryghem organised the Vth Expert Meeting on "Current surgical options in the management of Keratoconus" with the participation of: Dr. J. Alio (Spain), Dr. R. Ambrosio (Brasil), Dr. M.C. Arbelaez (Oman), Dr. M. Assouline, Dr. A. Barabara (Israël), Dr. M. Belin (U.S.A), Dr. E. Coskunseven (Turkey), Dr. A. Daxer (Austria), Dr. S. Daya (United Kingdom), Dr. A. EL Danasoury (Saoudi Arabia), Dr. S. Ganesh (India), Dr. F. Hafezi (Switzerland), Dr. O. Ibrahim (Egypt), Dr. A.J. Kanellopoulos, Dr. R. Krueger (U.S.A), Dr. G. Kymionis (Greece), Dr. D. Lin (Canada), Dr. F. Malecaze (France), Dr. J. Merayo (Spain), Dr. S. Marcos (Spain), Dr. C. Moore (U.S.A), Dr. M. Mrochen (Switzerland), Dr. T. Neuhann (Germany), Dr. D. Pietrini (Italy), Dr. O. Prisant (France), Dr. J. Tan (Singapore), Dr. W. Trattler (U.S.A), Dr. R. Rubinfeld (U.S.A), Dr. T. Seiler (Switzerland), Dr. M. Soares (Brasil), Dr. D. Stulting (U.S.A), Dr. A. Vega (Spain)
7-09-2012: During the ESCRS 2011 Congress in Milano Dr. J.C. Vryghem organised together with Dr. P. Vinciguerra the IVth Expert Meeting on "Current surgical options in the management of Keratoconus". with the participation of: Dr. J.F. Alfonso (Spain), Dr. J. Alio (Spain), Dr. R. Ambrosio (Brasil), Dr. M.C. Arbelaez (Oman), Dr. M. Assouline (France), Dr. A. Barbara (Israël), Dr. M. Belin (U.S.A), Dr. B. Cochener (France), Dr. J. Colin (France), Dr. E. Coskunseven (Turkey), Dr. A. Cummings (Ireland), Dr. A. Daxer (Germany), Dr. S. Daya (United Kingdom), Dr. A. El Danasoury (Saudi Arabia), Dr. J. Guell (Spain), Dr. F. Hafezi (Switzerland), Dr. S. Holland (Canada), Dr. A.J. Kanellopoulos (Greece), Dr. R. Krueger (U.S.A), Dr. G. Kymionis (Greece), Dr. D. Lin (Canada), Dr. F. Malecaze (France), Dr. J. Merayo (Spain), Dr. M. Mrochen (Switzerland), Dr. R. Nuijts (Netherlands), Dr. O. Ibrahim (Egypt), Dr. R. Rubinfeld (U.S.A), Dr. T. Seiler (Switzerland), Dr. M. Soares (Brasil), Dr. R. Stein (U.S.A), Dr. J. Tan (Singapore), Dr. A. Vega (Spain)
29-01-2012: Dr. Vryghem organised the Winter Meeting of the Belgian Society of Cataract and Refractive Surgeons at the Clinique Saint-Jean in Brussels. Live Surgery performed by: Dr. A. Abenhaim (Paris, France), Dr. J. Alío (Alicante, Spain) ,Dr. J. Blanckaert (Ieper, Belgium), Dr. J. Bovet (Genève, Switzerland), Dr. B. Golenvaux ( Brussels, Belgium), Dr. J. M. Lemagne (Brussels, Belgium), Dr. B. Malyugin (Moscow, Russia), Dr. S. Prasad (Wirral, England), Dr. P. Rozot (Marseille, France), Dr. G. Sallet (Aalst, Belgium), Dr. R. Van Horenbeeck (Antwerp, Belgium), Dr. J. C. Vryghem (Brussels, Belgium
16.09.2011: During the ESCRS Congress in Vienna Dr. Vryghem organized together with Dr. Daxer the Expert Meeting on "Current surgical options for visual rehabilitation in keratoconus" with the participation of: Prof.J. Alfonso-Sánchez (Spain), Dr.M.-C. Arbalaez (Oman), Dr. S. Avramenko (Russia), Dr. M. Assouline, Prof. B. Cochener (France), Prof.J. Colin (France), Dr.E. Çoskunseven (Turkey), Dr.A. Cummings (Ireland), Dr.A. Daxer (Austria), Dr.S. Daya (England), Dr.A. El Danasoury (Saudi-Arabia), Dr.P. Ferrara (Brazil), Dr.J. Guëll (Spain), Dr. F. Hafezi (Switzerland), Prof.O. Ibrahim (Egypt), Prof.J.A. Kanellopoulos (Greece), Dr. R. Krueger United States), Dr. G. Kymionis (Greece), Prof.F. Malecaze (France), Dr. B. Malyugin (Russia), Prof.M. Mrochen (Switzerland), Dr.R. Nuijts (Netherlands), Dr.D. Pietrini Prof.T. Seiler (Switzerland), M. Soares (Brazil) and Dr. P. Vinciguera (Italy).
03.09.2010: Dr.J.C.Vryghem organised an Expert Meeting on "Current surgical options for visual rehabilitation in keratoconus" before the ESCRS Congress in Paris (poster), with the participations of Prof.J. Alfonso-Sánchez (Spain), Prof.J. Alio (Spain), Dr.M.-C. Arbalaez (Oman), Prof. B. Cochener (France), Prof.J. Colin (France), Dr.E. Çoskunseven (Turkey), Dr.A. Cummings (Ireland), Dr.A. Daxer (Austria), Dr.S. Daya (England), Dr.A. El Danasoury (Saudi-Arabia), Dr.P. Ferrara (Brazil), Dr.J. Guëll (Spain), Prof.O. Ibrahim (Egypt), Prof.J.A. Kanellopoulos (Greece), Prof.F. Malecaze (France), Prof.M. Mrochen (Switzerland), Dr.R. Nuijts (Netherlands), Dr.D. Piñero (Spain), Prof.T. Seiler (Switzerland), Dr.J. Stevens (England) and M. Soares (Brazil).
18.9.2004: "Complications in Lasik: prevention and management", instructional course with the participation of French, British, Greek, Dutch and Singaporean surgeons in Paris during the XXIInd of the Congress of the European Society of Cataract and Refractive Surgeons.
8.9.2003: "Complications in Lasik: prevention and management", instructional course with the participation of French, British, Greek and Dutch surgeons in München during the XXIth of the Congress of the European Society of Cataract and Refractive Surgeons.
19-20-21.6.2003: "Diagnostic and surgical session on complicated cases after refractive surgery using the WaveLight Allegretto Wave Excimer Laser system with wavefront-guided and topography-guided ablations" in the presence of Prof. Dr. Theo Seiler (Zürich, Switzerland) at the practice of Dr. J. C. Vryghem, Brussels.
28-29.11.2002 "Diagnostic and surgical session on complicated cases after refractive surgery using the WaveLight Allegretto Wave Excimer Laser system with wavefront-guided ablations" in the presence of Prof. Dr. Theo Seiler (Zürich, Switzerland) at the practice of Dr. J. C. Vryghem, Brussels.
8.9.2002: "Complications in Lasik: prevention and management", instructional course with the participation of Belgian, French and Dutch surgeons in Nice during the XXth of the Congress of the European Society of Cataract and Refractive Surgeons.
2.9.2001: "Complications in Lasik: prevention and management", instructional course with the participation of Belgian, French and Dutch surgeons in Amsterdam during the XIXth of the Congress of the European Society of Cataract and Refractive Surgeons.
3.2.2001: "Difficult cases in refractive surgery", interactive session with case reports, Meeting of the Belgian Society of Cataract and Refractive Surgeons.
7.12.2000: "Actual indications in refractive surgery", workshop organised in Brussels during Ophthalmologia Belgica 2000.
5.9.2000: "Live Refractive Surgery" session from the Clinique St-Jean in Brussels during the XVIIIth Congress of the European Society of Cataract and Refractive Surgeons, with the participations of Belgian, French and German surgeons.
22.1.2000: "Complications in Lasik: prevention and management", interactive session with case reports, Meeting of the Belgian Society of Cataract and Refractive Surgeons.
5/9/2000: "Live Cataract Surgery" session from the Clinique St-Jean in Brussels during the XVIIIth Congress of the European Society of Cataract and Refractive Surgeons, with the participations of Belgian, French, Swedish and Japanese surgeons.
25.12.1999: "Live Cataract Surgery" session from the Clinique St-Jean in Brussels during Ophthalmologia Belgica 1999, with the participations of 6 Belgian surgeons.
26.11.1998: "Topical anaesthesia in cataract surgery", workshop organised in Brussels during Ophthalmologia Belgica 1998.
25.11.1994: "Phaco-update 1994: techniques of incision and choice of intra-ocular lenses", Ophtalmologica Belgica 1994, Brussels.
26.05.1992: "Minisymposium on Cataract in developing countries", IXth Congress of the European Society of Ophtalmology in Brussels.
18.05.1988: "The role of young ophtalmologists in developing countries": Special Session for Residents in Ophtalmology and Young Ophtalmologists, VIIIth Congress of the European Society of Ophtalmology in Lisbon.