CLN2 is a rare disease with limited available ocular natural history data. While current standard of care slows motor degeneration, it is not known to treat the ocular manifestations of disease. This study is planned to document, through retrospective data collection, ocular disease progression in children with a clinical presentation consistent with CLN2. No investigational product is administered in this retrospective, chart review study.
This is a multi center, retrospective, chart review study to document the evolution of ocular disease progression in pediatric patients with CLN2.