The Executive Board of World Health Organization (WHO) concluded here yesterday its deliberations with the participation of Prince Ahmad bin Abdul-aziz , the Chairman of the Regional Bureau of the International Agency of Combating Blindness (IACB) in the Middle East. Prince Ahmad reaffirmed that IACB represents more than sixty establishments in the world aiming at combating blindness and to achieve this goal, it has become a partner to the WHO since 1999. He added that one of the most important objectives of IACB is to eliminate blindness by the year 2020.