Ocular Complications From Cancer Therapy - Patient Registry and Biobank

Inclusion Criteria for the Cancer Therapy Group: * Adult patients (greater than 18 years of age) * Deny a history of eye diseases (excluding cataract, glaucoma, mild dry eye disease, or history of cataract or refractive surgery) * Patients who have a history of allogenic HSCT with all stem cell sources including bone marrow, PBSC, cord AND/OR patients with a history of prior cancer therapy including BMT, chemotherapy, and immunotherapy * Patients will be recruited after their HSCT or cancer therapy at their ophthalmology appointment * Patients can be included with a history of prior cancer therapy including chemotherapy, BMT, immunotherapy. Prior cancer therapy must be identified and documented. * The patient must be able to understand and sign and date the informed consent form approved by the IRB. Inclusion Criteria for the Control Group: * No history of cancer or cancer therapy in the past * Adult patients (greater than 18 years of age) * Deny a history of eye diseases (excluding cataract, glaucoma, mild dry eye disease, or history of cataract or refractive surgery) * The patient must be able to understand and sign and date the informed consent form approved by the IRB. Exclusion Criteria for the Cancer Therapy Group: * Vulnerable populations: neonates, children, prisoners, institutionalized individuals * Inability or refusal to provide informed consent. * History of ocular surgery or ocular disease (except refractive or cataract surgery, mild dry eye disease, or glaucoma). Exclusion Criteria for the Control Group: * Vulnerable populations: neonates, children, prisoners, institutionalized individuals * Inability or refusal to provide informed consent. * History of ocular surgery or ocular disease (except refractive or cataract surgery, mild dry eye disease, or glaucoma). * History of cancer or cancer therapy including chemotherapy, immunotherapy, BMT.