Light Therapy for Chemotherapy Induced Peripheral Neuropathy in Childhood Cancer Survivors

Inclusion Criteria: * History of childhood cancer (\<21 years of age at diagnosis) * Current age five years or older (due to availability of validated measures for CIPN in this age group) * History of exposure to vinca alkaloid, platinum, or other chemotherapeutic agent that can cause CIPN * CIPN as assessed by a trained physical therapist defined as a score of four or higher on the ped-mTNS (for survivors \<18 years old at evaluation), or the mTNS (for survivors 18 years or older at evaluation) Exclusion Criteria: * Currently Pregnant or lactating (by patient report, at initiation or at any point of the study) * Inability to sit still for at least 15 minutes * Diagnosis of neuropathy prior to cancer treatment * Active cancer diagnosis or cancerous skin lesion * Central nervous system tumor (due to lack of validated measures for CIPN in this population) * Cancer lesion or open wound in the area to be treated, or any condition that can potentially be made worse by the correct or incorrect use of the device.