But the surgery induced astigmatism decreased step by step postoperatively, and the SIA in cautery group was even smaller than the control group.
但两组术后随着时间推移，手术源性散光逐渐减少，且巩膜电凝组平均手术源性散光小于非电凝组。
The traditional large incision extracapsular cataract extraction surgery often caused a surgically induced corneal astigmatism which had great impact on fuming effect.
传统的大切口白内障囊外摘出术常造成较大的手术源性角膜散光，影响复明效果。
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