title: Adaptation of a commercial penlight for ophthalmic examinations.
authors.affiliation: Division of Pediatric Ophthalmology, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia.
authors.forename: J
authors.initials: J
authors.lastname: Zwaan
mesh_terms: D001767:Blinking / Q000502:physiology*; D006801:Humans; D009885:Ophthalmology / Q000295:instrumentation*; D009887:Ophthalmoscopy / Q000379:methods; D010775:Photic Stimulation / Q000295:instrumentation*