1-     16^th Asia-Pacific Vitreo-Retina Society Congress, Hong Kong, December 2023.

2-     8^th Asia Pacific Tele-Ophthalmology Society, Patayya, Tailand, December. 2023.

3-     The 41^st Congress of the European Society of Cataract and Refractive Surgery, Viena, Sep. 2023.

4-     38^th Congress of the Asia-Pacific Academy of Ophthalmology, Bangkok, Feb. 2023.

5-     15^th Asia-Pacific Vitreo-Retina Society Congress, Taipei, Nov. 2022.

 

6-     7^th Asia Pacific Tele-Ophthalmology Society, Shenyang, China, Sep. 2022.

 

7-     26^th Winter Congress of the European Society of Cataract and Refractive Surgery, Held Virtually, Feb. 2022.

 

8-     6^th Asia Pacific Tele-Ophthalmology Society, Held Virtually, Aug. 2021.

9-     47^th Congress of the American Society of Cataract and Refractive Surgery, Las Vegas, Nevada, May 2021.

10-     Annual Meeting of American Academy of Ophthalmology (AAO), Held Virtually, Nov. 2020.

11-     38^th Congress of the European Society of Cataract and Refractive Surgery, Held Virtually, Oct.2020.

12-    World Ophthalmology Congress, South Africa, June. 2020.

13-    46^th Congress of the American Society of Cataract and Refractive Surgery, Held Virtually, May. 2020.

14-    24^th Winter Congress of the European Society of Cataract and Refractive Surgery, Marrakesh, Feb.2020.

15-    1^th Asia Pacific Ocular Imaging Society Meeting, Singapore, Jan. 2020.

16-    34^th Congress of the Asia-Pacific Academy of Ophthalmology, Bangkok, March. 2019.

17-    36^th Congress of the European Society of Cataract and Refractive Surgery, London, Sep.2018.

18-    44^th Congress of the American Society of Cataract and Refractive Surgery, Washington DC, April.2018.

19-    43^rd Congress of the American Society of Cataract and Refractive Surgery, Los Angeles, May.2017.

20-    34^th Congress of the European Society of Cataract and Refractive Surgery, London, Sep.2016.

 

21-    42^nd Congress of the American Society of Cataract and Refractive Surgery, New Orleans, May.2016.

 

22-    33^rd Congress of the European Society of Cataract and Refractive Surgery, Barcelona, Sep. 2015.

23-    Annual Cornea Day (Organized by ESCRS and EuCornea), Feb. 2015. 5^th EUCornea Congress, London, Sep. 2014.

24-    32^th Congress of the European Society of Cataract and Refractive Surgery, London, Sep. 2014.

25-    World Ophthalmology Congress, Tokyo, April. 2014.

26-    1^th Iranian Congress of Spiritual Safety 2013, Shahid Beheshti University of Medical Sciences, Tehran, Dec. 2014.

27-    31^th Congress of the European Society of Cataract and Refractive Surgery, Amsterdam, Oct. 2013.

28-    30^th Congress of the European Society of Cataract and Refractive Surgery, Milan, Sep. 2012.

 

29-    29^th Congress of the European Society of Cataract and Refractive Surgery, Vienna, Sep. 2011.

30-    1^th to 26^th Iranian Congress of Ophthalmology, Tehran, 1990-2016.

31-    27^th Congress of the European Society of Cataract and Refractive Surgery, Barcelona, Sep. 2009.

 

32-    25^th Congress of the European Society of Cataract and Refractive Surgery, Stockholm, Sep. 2007. 

 

33-    24^th Congress of the European Society of Cataract and Refractive Surgery, London, Sep. 2006.

 

34-  23^th Congress of the European Society of Cataract and Refractive Surgery, Lisbon, Sep. 2005.

 

35-    22^th Congress of the European Society of Cataract and Refractive Surgery, Paris, France, Sep. 2004.

 

36-    6^th Annual NIDEK International Excimer Laser Symposium, Rio De Janeiro, Brazil, Dec. 2000. 

 

 

16- 6^th Annual NIDEK International Excimer Laser Symposium, Rio De Janeriro, Brazil, 8-9 Dec. 2000.