title: Need for bilateral electroretinography in unilateral trauma.
abstract: Electroretinography revealed unsuspected night blindness in a patient who had suffered unilateral trauma. This case illustrates the importance of testing both eyes, even when one appears normal.
mesh_terms: D000293:Adolescent; D004596:Electroretinography; D005131:Eye Injuries / Q000175:diagnosis*; D006801:Humans; D008297:Male