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A History of Radiation Therapy for a Tumor in the Vicinity of the Retina(s) clinical trials

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NCT ID: NCT02043470 Completed - Clinical trials for A History of Radiation Therapy for a Tumor in the Vicinity of the Retina(s)

Retinal Oxygen Function After Radiation Therapy

Start date: March 2011
Phase: N/A
Study type: Observational

The investigators propose using retinal oximetry to assess for abnormalities in regional retinal oxygen consumption in previously- irradiated patients, and relate these abnormalities to changes in regional retinal function (i.e. visual field abnormalities). Since different regions of retina receive different radiation doses, the investigators will assess for a dose response as well.