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Improving the accuracy of the SRK/T formula in Chinese with implanting less than 10 D IOL calculated by the SRK/T formula: the SRK/T-Li formula.
Li, Shaowei; Li, Xinxin; Liang, Weiyan; Wu, Zheming; Jia, Yanhong; Ma, Yanran; Chu, Ling; Jin, Tianru; Li, Li; Li, Qiumei; Qin, Ming.
Afiliación
  • Li S; Department of Ophthalmology, Aier School of Ophthalmology, Central South University, Changsha, 410083, Hunan, China. lishaowei@csu.edu.cn.
  • Li X; Department of Ophthalmology, Beijing Aier-Intech Eye Hospital, Number 12 of Panjiayuan Nanli, Chaoyang District, Beijing, 100021, China. lishaowei@csu.edu.cn.
  • Liang W; Department of Ophthalmology, Aier School of Ophthalmology, Central South University, Changsha, 410083, Hunan, China.
  • Wu Z; Department of Ophthalmology, Beijing Aier-Intech Eye Hospital, Number 12 of Panjiayuan Nanli, Chaoyang District, Beijing, 100021, China.
  • Jia Y; Department of Ophthalmology, Guangzhou Aier Eye Hospital, Guangzhou, 510080, Guangdong, China.
  • Ma Y; Department of Ophthalmology, Nanning Aier Eye Hospital, Nanning, 530000, Guangxi Zhuang Autonomous Region, China.
  • Chu L; Department of Ophthalmology, Chongqing Aier Eye Hospital, Chongqing, 400000, China.
  • Jin T; Department of Ophthalmology, Shenyang Aier Eye Hospital, Shenyang, 110003, Liaoning, China.
  • Li L; Department of Ophthalmology, Shenyang Aier Eye Hospital, Shenyang, 110003, Liaoning, China.
  • Li Q; Department of Ophthalmology, Nanning Aier Eye Hospital, Nanning, 530000, Guangxi Zhuang Autonomous Region, China.
  • Qin M; Department of Ophthalmology, Beijing Aier-Intech Eye Hospital, Number 12 of Panjiayuan Nanli, Chaoyang District, Beijing, 100021, China.
Int Ophthalmol ; 44(1): 32, 2024 Feb 08.
Article en En | MEDLINE | ID: mdl-38329567
ABSTRACT

PURPOSE:

To explore the accuracy of the improved SRK/T-Li formula in eyes following implantation of intraocular lens (IOL) of less than 10 D as calculated by using the SRK/T formula in Chinese.

METHODS:

A total of 489 eyes from 489 patients with cataracts were included in this study. These patients were divided into a training set (271 patients) and a testing set (218 patients). The IOL power calculated by using SRK/T was less than 10 D. We evaluated the accuracy of the modified SRK/T-Li formula (P = PSRK/T × 0.8 + 2 (P = implanted IOL power; PSRK/T = IOL power calculated by SRK/T)). We evaluated the mean absolute error (MAE), percentage of prediction error (PE) within ± 0.25, ± 0.50, and ± 1.00 D, and the percentage of postoperative hyperopia.

RESULTS:

The MAE values in order of lowest to highest were as follows 0.412 D (SRK/T-Li), 0.414 D (Barrett Universal II, (BUII)), 0.814 D (SRK/T), and 1.039 D (Holladay 1). The percentage of PE within ± 0.25 D, ± 0.50 D, and ± 1.00 D was 38.99%, 69.27% and 92.66% (BUII), 40.83%, 69.27% and 94.04% (SRK/T-Li), 20.64%, 41.28% and 71.56% (SRK/T), and 7.34%, 16.51% and 53.21% (Holladay 1), respectively. SRK/T-Li had the smallest postoperative hyperopic shift.

CONCLUSIONS:

For Chinese patients with an IOL power of less than 10 D as calculated by using the SRK/T, the SRK/T-Li has good accuracy and is the best choice to reduce postoperative hyperopic shift.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Catarata / Hiperopía / Lentes Intraoculares Límite: Humans País/Región como asunto: Asia Idioma: En Revista: Int Ophthalmol Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Países Bajos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Catarata / Hiperopía / Lentes Intraoculares Límite: Humans País/Región como asunto: Asia Idioma: En Revista: Int Ophthalmol Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Países Bajos