JOURNAL OF SHANDONG UNIVERSITY (OTOLARYNGOLOGY AND OPHTHALMOLOGY) ›› 2018, Vol. 32 ›› Issue (1): 68-71.doi: 10.6040/j.issn.1673-3770.0.2017.512

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Comparison of two intraocular lens measurement formulas for prediction of postoperative refraction accuracy in patients with angle closure glaucoma and cataract

GAO Xue, HAO Linlin, LIU Shaohua, ZHANG Han   

  1. Department of Ophthalmology, Second Hospital of Shandong University, Jinan 250033, Shandong, China
  • Received:2017-12-06 Online:2018-01-20 Published:2018-01-20

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Abstract: Objective This study compared the SRK-T and Haigis intraocular lens(IOL)measurement formulas for prediction of accuracy in angle closure glaucoma(ACG)combined with cataract. Methods This prospective study of 46 patients(46 eyes)with ACG was performed between January and August 2017. All patients underwent vision, best corrected visual acuity(BCVA), intraocular pressure(IOP), and central anterior chamber depth(ACD)testing, with subsequent phacoemulsification and cataract extraction with IOL implantation. We used two IOL measurement formulas for prediction of postoperative refraction accuracy and compared the mean absolute refractive error(ME)of the two formulas. Results The differences in vision, BCVA, IOP, and ACD were statistically significant(all P<0.01). The ME using the SRK-T formula was significantly smaller than the ME using the Haigis formula(P<0.05). The AL was negatively correlated with the ME measured with the SRK-T formula and showed no significant correlation with the ME measured with the Haigis formula. Conclusion Simple phacoemulsification and cataract extraction with IOL implantation is effective for ACG. The SRK-T formula showed greater predictive accuracy in the ACG group.

Key words: Angle closure, Phacoemulsification, Refractive error, Glaucoma, Intraocular lens measurement formula

CLC Number: 

  • R775
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