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.