Influence of decentration of plate-haptic toric intraocular lens on postoperative visual quality

BMC Ophthalmology

Research

Jian Lv¹  Zhou Zhou¹  Lanjian Li¹  Peng Lu¹  Siming Zeng¹  Min Li¹  Fan Xu¹  Qianqian Lan¹  Fen Tang¹  Gang Yao¹  Chunli Diao¹  Jing Liao¹  Wei Huang¹  Qi Chen¹ 

[1] Department of Ophthalmology, Key Laboratory of Eye Health & Guangxi Health Commission Key Laboratory of Ophthalmology and Related Systemic Diseases Artificial Intelligence Screening Technology &Institute of Ophthalmic Diseases, the People’s Hospital of Guangxi Zhuang Autonomous Region & Guangxi, Guangxi Academy of Medical Sciences, Guangxi Zhuang Autonomous Region, Guangxi, China;

关键词: Cataract;    Toric IOL;    Decentration;    Visual quality;   

DOI  :  10.1186/s12886-023-03061-6

 received in 2023-02-25, accepted in 2023-06-25,  发布年份 2023

来源: Springer

【 摘 要 】

BackgroundTo evaluate the influence of decentration of plate-haptic toric intraocular lens (IOLs) on visual quality.MethodsThis study enrolled 78 eyes of 78 patients. Patients in group A were implanted with toric IOLs, and patients in group B were implanted with monofocal IOLs. All patients were divided into group A1 and B1 (decentration below 0.3 mm) and group A2 and B2 (decentration above 0.3 mm). The uncorrected distance visual acuity (UDVA), best corrected visual acuity (BCVA), modulation transfer function cutoff (MTF cutoff), objective scatter index (OSI), strehl ratio (SR), optical interference and patients’ satisfaction were measured in different pupils at three months postoperatively. The associations between decentration and visual quality were analyzed by Spearman correlation.ResultsThere were no significant differences in UDVA, BCVA, MTF cutoff, OSI, SR, optical interference and patients’ satisfaction among subgroups. The differences in decentration between groups A and B were not statistically significant. In group A2, the total higher order aberrations (tHOAs) at pupil sizes of 3 mm (P = 0.046), 5 mm (P = 0.014), spherical aberrations at pupil sizes of 3 mm (P = 0.011), 4 mm (P = 0.014), 5 mm (P = 0.000), secondary astigmatism at pupil sizes of 3 mm (P = 0.002), 4 mm (P = 0.005) were higher than in group B2. Compared to group A1, group A2 had higher spherical aberrations at pupil sizes of 4 mm (P = 0.042), 5 mm (P = 0.001), 6 mm (P = 0.038), secondary astigmatism at pupil sizes of 3 mm (P = 0.013), 4 mm (P = 0.005), 6 mm (P = 0.013). Group B2 has higher coma and secondary astigmatism than group B1 at 6-mm pupil (P = 0.014, P = 0.045). Significant positive correlations were found between spherical aberrations and the decentration of group A1 and A2 at 6-mm pupils.ConclusionThe decentration above 0.3 mm negatively affected visual quality due to increased tHOAs, spherical aberrations, coma and secondary astigmatism aberrations, the influence become larger with increasing pupil diameter. And toric IOLs are more affected by decentration than monofocal IOLs.

【 授权许可】

CC BY   
© The Author(s) 2023

【 图 表 】

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