The hollow arrow showed the posterior capsule; the white solid arrow showed the posterior surface of IOL; the red solid arrow showed the anterior surface of IOL; number “1” showed the edge of the anterior capsule.
The white solid arrow showed the posterior surface of IOL; the red solid arrow showed the anterior surface of IOL; number “1” showed the edge of the anterior capsule; number “2” showed the edge of the posterior capsule hole.
本文报道的1例术后早期CBS,患者为年轻女性,对视觉质量的要求较高,植入蔡司双焦点IOL。该IOL的特点为单片式,亲水性丙烯酸酯材料,光学面直径为6 mm,方边设计。术中CCC直径约5.2 mm,术后早期出现视物模糊和近视漂移,验光结果为?2.0 DS/0 DC矫正至1.0,眼压正常,容易误诊为IOL测量误差,经散大瞳孔后仔细观察,可发现IOL与后囊膜之间有液性暗区,诊断为左眼CBS(术后早期)。Khattak[6]报道1例双眼植入AL LISA tri toric 939的患者,双眼均发生了早期CBS,其中左眼发生了明显的高眼压症状,右眼眼压正常。本例CBS可能原因为:1)患者有轻度近视,囊袋较大,前囊撕囊直径5.2 mm,前囊口边缘光滑、连续、完整,术中使用大分子黏弹剂透明质酸钠,透明质酸钠可能少量残留在囊袋内,导致囊袋内渗透压较高,房水进入囊袋内引起囊袋向玻璃体腔膨胀;2)一片式亲水性丙烯酸酯IOL材料质地柔软,光学部与襻无夹角以及二者之间链接处柔软,导致IOL在囊袋内压力的推动下向前移动,与前囊开口相贴;3)手术结束前未将囊袋内的灌注液抽吸干净,导致液体滞留囊袋,后囊膜向玻璃体腔膨胀,但患者前房深度深,未造成瞳孔阻滞,未出现继发性眼压升高。
2、河南省医学科技攻关计划联合共建项目(2018020065)。This work was supported by the National Natural Science Foundation (81970785) and Medical Scientific and Technological Project of Henan Province (2018020065), China.
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