dr. Martin Sondak, Sp.M is a consultant ophthalmologist with a fellowship in Glaucoma from the Faculty of Medicine, Universitas Indonesia�Cipto Mangunkusumo Hospital. He practices at Klinik Mata Nusantara (KMN), Jakarta, and has a strong interest in glaucoma diagnosis, surgery, and anterior segment care. He is actively involved in clinical research and is a member of the Indonesian Glaucoma Society and the Indonesian Ophthalmologists Association.