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An experimental setup. (a) Two EBT2 film strips on the right and left sides, two MOSFET detectors on the superior and the inferior sides, covered by 3-mm thickness thermoplastic for an eyelid simulation. The beam isocenter is at the top center of the steel knob. (b) A vertical EBT2 film is sandwiched with solid phantoms under the eye shield for the dose distribution measurements.
