Visual Acuity of Infants and Young Children: Forced-Choice Preferential Looking Procedures

Traditional forced-choice preferential looking (FPL) procedures have been useful laboratory tools in the documentation of normal acuity development in infants and young children. FPL procedures have also been used in several clinical settings to assess acuity in infants and young children with a variety of visual disorders. Nevertheless, FPL procedures have limitations that may hinder clinical utility. The most serious problem is a statistical...