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Anterior segment OCT application in quantifying posterior capsule opacification severity with varied intraocular lens designs

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International Journal of Ophthalmology(English edition) 2021年第9期14卷 1384-1391页

作者： Sha-Sha Yu Cheng-Zhe Lu Ya-Wen Guo Yun Zhao Xiao-Yong Yuan Tianjin Eye Hospital Tianjin Key Lab of Ophthalmology and Visual ScienceTianjin Eye InstituteClinical College of OphthalmologyTianjin Medical UniversityNankai University Eye HospitalTianjin 300020China

AIM:To evaluate the application of anterior segmentoptical coherence tomography(AS-OCT)in posterior capsule opacification(PCO)severity assessment and analyse the relationship between PCO severity and intraocular lens(iol)***:PCO patients were prospectively ***-sectional images of the anterior segment at horizontal and vertical meridians were acquired with *** area of the iol-PC(posterior capsular)space and PCO severity(area,thickness,and density at 3 mm and 5 mm iol optic regions)were *** relationship between PCO severity and visual acuity,comparisons of PCO severity and iol-PC space using varied iol designs were ***:One hundred PCO eyes were ***-PC space,PCO thickness and area were positively correlated with axial *** addition,PCO area and thickness were positively correlated with visual acuity when it was≤0.52 log *** cut-off level of visual acuity should be 0.52 log *** varied iol designs,3-piece C haptic iol showed a smaller PCO area and thickness than the 1-piece 3 haptic iol and 1-piece 4 haptic *** area and thickness values for an iol with a diameter≤11.0 mm was greater than for an iol with a diameter of 12.5 mm,and the differences were statistically *** area and thickness increased when iol haptic angulation increased(from 0 to 12 degrees).CONCLUSION:In PCO eyes,cut-off level of visual acuity is 0.52 log *** more severe PCO,visual acuity maybenot enough to describe the visual function *** severity and iol-PC space are significantly correlated with axial length and iol design and material.

关键词： posterior capsule opacification anterior segment-optical coherence tomography iol-posterior capsule space iol-posterior capsule distance severity

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