Complex sentence: The Organisation for the Prevention of Blindness (French:) is a non-governmental organisation (NGO) of international solidarity whose mission is to preserve and restore the sight of those who live in the most neglected French-Speaking African countries through transferring ophthalmological skills and knowledge.
Split into simpler sentences: The Organisation for the Prevention of Blindness (French:) is a non-governmental organisation (NGO) of international solidarity. Their mission is to preserve and restore the sight of those who live in the most neglected French-Speaking African countries through transferring ophthalmological skills and knowledge.