Ocular Proton Therapy (AAPM Task Group 418) Planning dataset 6 (polar tumor location)

This is a phantom CT dataset representing an ocular tumor located at the posterior pole (left eye). The dataset includes 3 separate sets of structure contours: one for neutral gaze, one for the upward and slightly temporal gaze direction (polar angle 32 degrees, and azimuth 70), and one for the nasal gaze direction (polar angle 25 degrees, and azimuth 180). Azimuth is defined per Eyeplan standard: from left (0) and clockwise (in patient's view) Disclaimer: This dataset was prepared by the members of AAPM task group 418, but has not been reviewed or endorsed by AAPM