1.  Gregg Lecture  

   Perth

November 24th to 29th, 2007

Pathogenic aspects in the appearance of the glaucomatous optic nerve head .. Congress of the Royal Australian and New Zealand College of Ophthalmologists  

2.  EVER-ACTA Lecture

    Portoroz, Slovenia

30th  September  to 3rd  October 2009

From Intravitreal Cell-Encoated Drug Therapy to Low- (Brain-) Pressure-Glaucoma ". Annual Meeting of the European Association for Vision and Eye Research

3. Yasuo Tano Lecture

   Singapore

19th to 21th November 2010 

Some Developments in Retina from a Comprehensive Point of View. Annual Meeting of the Asia-Pacific Vitreoretinal Society

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4th SILK Elsemay Björn Lecture  

   Tampere, Finland

18th  August 2015 

Anatomy of the optic nerve head with respect to trans-lamina cribrosa pressure difference and myopization.  

5. The Armaly Lecture  

    Iowa City, USA

Iowa 23rd  October 2015

Assessment of the optic nerve head and retinal nerve layer in glaucoma and normal eyes.  Armaly Lecture Meeting, Department of Ophthalmology, University of Iowa Hospitals and Clinics

6. Eugene Chan Lecture  

   Shantou, Guangdong, China

30th  October -1st November 2015

Myopia: Anatomic findings and prevalence: Clues for etiology? 11th International Symposium of Ophthalmology

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