title: A comparative study of 500 cases of onchocerciasis and 500 controls with regard to posterior segment lesions in the eye.
mesh_terms: D002829:Choroid; D005128:Eye Diseases; D005654:Fundus Oculi; D006801:Humans; D008295:Malawi; D009855:Onchocerciasis; D009887:Ophthalmoscopy; D009896:Optic Atrophy / Q000209:etiology; D009900:Optic Nerve; D012162:Retinal Degeneration / Q000209:etiology; D012173:Retinitis / Q000209:etiology; D014822:Vitreous Body