Here are some links for you. We hope you find them useful.
Research article co-authored by Robert Lederman - http://lib.bioinfo.pl/pmid:12525966
News report about watching 3-D movies quoting Robert Lederman - www.medicalnewstoday.com/articles/5150.php
College of Optometrists in Vision Development - www.covd.org
Neuro Optometric Rehabilitation Association (NORA) - www.nora.cc
Optometric Extension Program - www.oep.org
Vision and ADD / ADHD - www.add-adhd.org
More information about Developmental Optometry - www.children-special-needs.org/