Dear Colleague,

 It is our honor to host you in the 23^rd annual congress of Iranian Society of Ophthalmology from 28^th to 31^st Oct., 2013 in Tehran, capital of the historic Iran.

We highly hope that we can share each other's experience and exchange scientific findings in this congress on the beautiful outskirts of Alborz Mountains. Besides the scientific exchanges, we wish you will have a memorable stay by enjoying Iranian hospitality, and visiting the great heritage, and lovely natural scenery of our country.

We look forward to meeting you in Tehran.

 Hooshang Faghihi, MD

Scientific Director of the 23rd IrSO Congress