The voluntary medical team of King Salman Humanitarian Aid and Relief Center (KSrelief) arrived in Ibadan, Nigeria yesterday, as part of the voluntary medical campaign to combat blindness and its diseases. The campaign will continue from 5-19 October. The Campaign Supervisor Turki Al-Shehri said that the campaign is planned to start by examining 4000 cases of ophthalmic patients in various categories and cases, as 400 cases will be referred for surgeries including Cataract, Glaucoma and minor operations.