Clinical Research Directory

Inclusion Criteria: * Previously a successfully completed participant in the CYPRESS Extension study; * Agree to wear the assigned spectacles constantly except for sleeping, swimming, or other activities in which spectacle wear would be dangerous or otherwise not possible (minimum of 10 hours per day); * Willingness to participate in the trial for up to 12 months without contact lens wear; * The subject's parent(s) or legal guardian(s) must read, understand, and sign the Statement of Informed Consent and receive a fully executed copy of the form. Exclusion Criteria: * Known allergy to proparacaine, tetracaine, or tropicamide.