King Salman Humanitarian Aid and Relief Center (KSrelief) launched here today a new voluntary medical campaign to combat blindness and diseases that cause it in Mukalla, Hadramout governorate of Yemen. During the next 7 days of the campaign, KSrelief medical team will conduct 400 surgeries, examine 1,500 cases, in addition to distributing 400 glasses and various medicines to patients, benefiting low-income families. This comes as an extension to the humanitarian efforts, provided by the Kingdom of Saudi Arabia, represented by the KSrelief, to alleviate the suffering of the people of Yemen during the current humanitarian crisis.