【摘要】： 目的：觀察三種不同類型的年齡相關(guān)性白內(nèi)障的高階像差,對(duì)不同類型年齡相關(guān)性白內(nèi)障患者的高階像差進(jìn)行量化分析并比較其變化特點(diǎn)。為進(jìn)一步改善白內(nèi)障術(shù)后的視覺(jué)質(zhì)量提供理論依據(jù)。 方法：回顧性病例分析。選擇不同類型的年齡相關(guān)性白內(nèi)障患者109例163眼,年齡44歲～81歲,平均(66.45±9.421)歲,其中女性72例(66.06%)。入選標(biāo)準(zhǔn)為患眼最佳矯正視力"g0.3logMAR(等值球鏡度數(shù)在-3.0～+3.0D之間),排除有其他任何眼部疾病、眼部手術(shù)史及晶狀體混濁嚴(yán)重致使Tracey像差儀不能準(zhǔn)確測(cè)量的患者。根據(jù)晶狀體混濁分級(jí)系統(tǒng)Ⅲ(lens opacities classification systemⅢ, LOCSⅢ)進(jìn)行白內(nèi)障分類和分組。其中皮質(zhì)性59眼,核性62眼,后囊下性42眼,30例30眼透明晶狀體作為對(duì)照組,使用Tracey像差儀(Tracey wavefront aberrometer, Tracey Technologies Inc., Houston, USA)分別測(cè)量6.0mm瞳孔直徑下各組的高階像差。Tracey系統(tǒng)計(jì)算和分析共6階27項(xiàng)Zernike系數(shù)和均方根值(root mean square, RMS),比較白內(nèi)障組和對(duì)照組的結(jié)果差異,分析并比較不同類型的年齡相關(guān)性白內(nèi)障高階像差的變化特點(diǎn)。 結(jié)果：6.0mm瞳孔直徑下,以晶狀體皮質(zhì)混濁為主的皮質(zhì)性白內(nèi)障組總高階像差為(0.701±0.230)μm,高階主導(dǎo)像差主要以彗差(0.438±0.213)μm為主,其次為三葉草(0.357±0.203)μm,在各高階像差中,除球差(P=.781)、五葉草(P=.384)、六葉草(P=.390)外,彗差(P=.000)、高級(jí)散光(P=.002)、三葉草(P=.002)、四葉草(P=.005)均有統(tǒng)計(jì)學(xué)意義。以晶狀體核混濁為主的核性白內(nèi)障組總高階像差為(1.101±0.303)μm,高階主導(dǎo)像差主要以球差(0.497±0.231)μm為主,其次為彗差(0.466±0.291)μm,在各高階像差中,球差(P=.000)、彗差(P=.002)、高級(jí)散光(P=.003)、三葉草(P=.008)、四葉草(P=.002)、五葉草(P=.006)、六葉草(P=.007)均有統(tǒng)計(jì)學(xué)意義。以晶狀體后囊膜下混濁為主的后囊下性白內(nèi)障組總高階像差為(0.645±0.261)μm,高階主導(dǎo)像差主要以三葉草(0.335±0.142)μm為主,其次為彗差(0.294±0.178)μm,在各高階像差中,球差(P=.008)、彗差(P=.004)、高級(jí)散光(P=.000)、三葉草(P=.000)、四葉草(P=.008)、五葉草(P=.003)、六葉草(P=.001)均有統(tǒng)計(jì)學(xué)意義。 結(jié)論：不同類型的年齡相關(guān)性白內(nèi)障產(chǎn)生不同特點(diǎn)的高階像差,皮質(zhì)性白內(nèi)障主要引起慧差的改變,核性白內(nèi)障主要使球差增加,后囊下性白內(nèi)障的三葉草明顯增加。白內(nèi)障患者主視視覺(jué)質(zhì)量的下降與各階像差不同程度的改變相關(guān)。
[Abstract]:Aim: to observe the high order aberrations of three different types of age-related cataract, and to quantitatively analyze and compare the characteristics of higher-order aberrations in patients with age-related cataract. To provide theoretical basis for further improving visual quality after cataract surgery. Methods: retrospective analysis of cases. One hundred and nine patients (163 eyes) with different types of age-related cataract were selected, with a mean age of (66.45 鹵9.421) years, aged 44 years or 81 years, of which 72 cases (66.06%) were female. The inclusion criteria were the best corrected visual acuity (BCVA) of the affected eyes "g0.3logMAR (equivalent spherical lens between -3.0 ~ 3.0 D), excluding any other ocular diseases, history of ocular surgery and lens opacity, which made the Tracey aberration instrument unable to accurately measure." Cataract was classified and grouped according to the lens opacity classification system 鈪，

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