300 Longwood Avenue Boston, MA 02115 (617) 355-6000 Clinical Services (Ophthalmology): Tests & Procedures Care for eye conditions and visual impairment begins with a precise diagnosis. Children's Hospital Boston is one of the few in the country that uses child-focused, high-tech diagnostic exams: Sweep Visual Evoked Potential Test (SVEP) Low Vision Testing Contrast Sensitivity Tests Electroretinogram (ERG) Visual Evoked Potential (VEP) The information on this website should not be taken as medical advice, which can only be given to you by your personal health care professional. Copyright © Children's Hospital Boston. All rights reserved.