title: The binocular indirect ophthalmoscope (BIO).
abstract: Effective use of diagnostic drugs in primary eye care demands that the optometrist not only be able to better utilize conventional equipment, but also utilize new equipment. This paper offers a simple and straightforward discussion of the Binocular Indirect Ophthalmoscope (BIO). Optical principles, clinical advantages and disadvantages, clinical indications for the instrument, and instrument technique are discussed. A suggested reading list is also presented.
mesh_terms: D000818:Animals; D000882:Haplorhini; D006801:Humans; D009184:Mydriatics; D019721:Ophthalmoscopes; D009887:Ophthalmoscopy / Q000379:methods
chemical_list: D009184:Mydriatics