title: Initial clinical experience with the Ahmed glaucoma valve implant--correction.
mesh_terms: D015862:Choroid Diseases / Q000209:etiology*; D005901:Glaucoma / Q000601:surgery*; D006801:Humans; D009798:Ocular Hypertension / Q000601:surgery*; D019736:Prostheses and Implants / Q000009:adverse effects*