OCT-A evaluation of radiation vasculopathy following slotted plaque brachytherapy 

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September 16, 2021: A new non-invasive technology called, Optical Coherence Tomography Angiography or OCTA, can image the very small retinal blood vessels without contrast dye.  Drs. Paul T. Finger, Dr. Anthony Fam & Dr. Ankit Tomar’s research to seen if this new imaging technique could reliably reveal and monitor subclinical progression of perineurial radiation vasculopathy within the eye. They were in a unique position, in that Dr. Finger invented slotted radiation eye plaques to reliably treat melanomas near, touching or covering the intraocular optic nerve head. The doctor’s measured vessel density and length in treated versus untreated contralateral fellow eyes. Using the opposite eye as a control group made it possible to see the differences between normal and irradiated retinal blood vessel’s density and length. This research, supported by The Eye Cancer Foundation, proved that OCT-A (optical coherence tomography angiography) can be used to monitor progression of papillary vasculopathy associated with radiation optic neuropathy. 

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