六周龄后单侧婴儿白内障摘除术后的弱视
Amblyopia after unilateral infantile cataract extraction after six weeks of age.
作者信息
Ejzenbaum Fábio, Salomão Solange Rios, Berezovsky Adriana, Waiswol Mauro, Tartarella Márcia Beatriz, Sacai Paula Yuri, Pereira Josenilson Martins
机构信息
Setor de Estrabismo e Neuro-Oftalmologia, Santa Casa de São Paulo, São Paulo, SP, Brazil.
出版信息
Arq Bras Oftalmol. 2009 Sep-Oct;72(5):645-9. doi: 10.1590/s0004-27492009000500009.
PURPOSE
To determine interocular grating acuity difference in children treated for unilateral infantile cataract.
METHODS
A group of 27 children previously treated for unilateral infantile cataract, had their monocular visual acuity measured by sweep visual evoked potentials. Interocular grating acuity difference was calculated as the absolute subtraction of monocular acuity scores. Lens status, opacity severity and eye alignment were considered for analysis.
RESULTS
Mean interocular grating acuity difference obtained from unilateral cataract patients was 0.58 +/- 0.20 logMAR. This result was significantly larger than 0.10 logMAR used as normative data. Children with severe opacities had a more pronounced amblyopia than the moderate ones. No significant correlation between amblyopia and strabismus or aphakia was found.
CONCLUSIONS
Interocular acuity difference in this group of unilateral congenital cataract was more pronounced than previous reports, mainly because of delay in diagnosis, surgery and optical correction.
目的
确定接受单侧婴儿白内障治疗的儿童的眼间光栅视力差异。
方法
一组27名曾接受单侧婴儿白内障治疗的儿童，通过扫描视觉诱发电位测量其单眼视力。眼间光栅视力差异计算为单眼视力得分的绝对差值。分析时考虑晶状体状态、混浊严重程度和眼位。
结果
单侧白内障患者的平均眼间光栅视力差异为0.58±0.20 logMAR。该结果显著大于用作标准数据的0.10 logMAR。重度混浊的儿童比中度混浊的儿童弱视更明显。未发现弱视与斜视或无晶状体之间存在显著相关性。
结论
这组单侧先天性白内障患者的眼间视力差异比以前的报告更为明显，主要是由于诊断、手术和光学矫正延迟。
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