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RT technique
o
The whole orbit may be treated with 3D conformal or IMRT
techniques
o
The conjunctival sac and lacrimal gland may be treated with en face
electrons
o
Bolus should be used in all cases of conjunctival/superficial
involvement or definite or suspected extension
o
Lens shielding may be used for disease limited to
conjunctiva/eyelid, if appropriate and only if there is confidence that
disease will not be shielded