Objective to measure the volumetric changes of enophthalmos of orbital blowout fractures, and to study the relation between the change of the orbital volume and the degree of enophthalmos.
目的测量眼眶爆裂性骨折伴眼球内陷患者眼眶容积的改变量，探讨眼眶容积改变量和眼球内陷度数之间的关系。
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Such deviation generates volumetricchange in the solid, which will result in mechanical stresses if the ionic solid is under mechanical constraints, or if the defect distribution is not uniform.