The International Islamic Relief Organization of Saudi Arabia (IIROSA), an affiliate of Muslim World League, will carry out in the next few days new medical campaigns to treat thousands of poor and needy patients in Sudan and Chad. The Organization's Acting Secretary General Ihsan bin Saleh Tayyip pointed out that the campaigns include among others surgeries to remove cataracts for 1000 patients, in addition to 109 surgical operations in the fields of cardiac diseases and catheterization.