Customized Multiple Orbital Wall Decompression for Sight-threatening Graves's Ophthalmopathy

Inclusion Criteria: * Sight-threatening patients undergoing interdisciplinary discussion and orbital decompression operation. * The sight-threatening GO refer to those with DON, exposure keratitis or corneal breakdown. * DON was diagnosed according to the following clinical findings including optic nerve head edema, visual field defect, impaired color vision, afferent pupil defect, retinal folds, radiologic evidence of apical optic nerve compression or globe subluxation. * Diagnosis of exposure keratitis or corneal breakdown was made based on physical exam signs, e.g. microepithelial defects, abrasion or ulcer. A minimum follow-up of 12 months was required for inclusion. Exclusion Criteria: * Patients were excluded if exophthalmos, rather than acute visual loss, was the indication for surgery. * Cases with a history of previous ocular surgery, glaucoma, and visual defects from other ocular conditions were excluded from the study.