Ophthalmology Department;
Teaching Hospital Sylvanus Olympio;
Lomé
Togo;
Ophthalmology Department;
Be District Hospital;
Lomé
Togo;
Clinique Lumière;
Niamey;
Niger;
Ophthalmology Department;
Lamordé
National Hospital;
Niamey;
Niger;
Fundus; Hypertensive; Retinopathy; Diabetic; Retinopathy; Headache; Lomé;