What is your preferred technique and dose/fractionation for treatment of a metastasis involving the retina or optic nerve?  

This is a tough question, because the details are important. Is this oligometastasis? What's the histology (I'd try to give higher doses for melanoma or renal cell carcinoma and may give less for myeloma). What's the location (the further anterior on the globe the radiation the more difficult the to...