A radiosurgery system is described that delivers a therapeutic dose of radiation to a target structure in a patient. In some embodiments, inflammatory ocular disorders are treated, specifically macular degeneration. In some embodiments, ocular structures are placed in a global coordinate system, based...http://www.google.com.au/patents/US7697663?utm_source=gb-gplus-sharePatent US7697663 - Orthovoltage radiotherapy