The team will be treating a range of eye diseases and performing cataract surgery which can restore sight to those who have lost some or all of their vision. The team will be based on the river and by using the hovercraft people from villages along the largest river in Southern Madagascar will benefit. the team will be in place for over a week, and expect to treat a large number of patients in an area that has little access to medical care, an no access to specialists such as eye surgeons.