title: The purpose and cost of free sight tests.
authors.forename: I E
authors.initials: IE
authors.lastname: Murdoch
authors.forename: J E
authors.initials: JE
authors.lastname: Theodossiades
mesh_terms: D003365:Costs and Cost Analysis; D005901:Glaucoma / Q000175:diagnosis; D006801:Humans; D013222:State Medicine / Q000191:economics; D014787:Vision Tests / Q000191:economics*