title: Portable and inexpensive systems for ophthalmic photography based on the 35 mm SLR camera and standard 50 mm f1-8 lens.
authors.forename: P T
authors.initials: PT
authors.lastname: Khaw
mesh_terms: D006801:Humans; D009885:Ophthalmology / Q000295:instrumentation*; D010781:Photography / Q000295:instrumentation* / Q000379:methods