title: A do-it-yourself fixation device for the ophthalmologist's office.
abstract: A visual fixation device that is useful for maintaining subject gaze in one direction during ophthalmologic examinations has been devised. The unit can be constructed from a few inexpensive electronic components.
mesh_terms: D004582:Electronics, Medical / Q000295:instrumentation; D005403:Fixation, Ocular; D006801:Humans; D009885:Ophthalmology / Q000295:instrumentation*; D019721:Ophthalmoscopes; D014065:Tonometry, Ocular / Q000295:instrumentation