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- Title
Clinical differences between toric intraocular lens (IOL) and monofocal intraocular lens (IOL) implantation when myopia is determined as target refraction.
- Authors
Da Young Shin; Ho Sik Hwang; Hyun Seung Kim; Man Soo Kim; Eun Chul Kim; Shin, Da Young; Hwang, Ho Sik; Kim, Hyun Seung; Kim, Man Soo; Kim, Eun Chul
- Abstract
Background: The aim of this study is to analyze and compare the clinical results of toric intraocular lens (IOL) and monofocal IOL implantation when the target refraction value is -3 diopter (D) in cataract patients with corneal astigmatism > 1.5 diopters (D).Methods: We performed a retrospective chart review for patients with corneal astigmatism > 1.5D who underwent cataract surgery and their target refraction is -3D. 100 eyes (100 patients; monofocal IOL, 60; toric IOL, 40) were enrolled in the current study. Near and distant uncorrected visual acuity (UCVA), corrected VA, spherical equivalent and refractive, corneal astigmatism were evaluated before and after surgery.Results: The near UCVA of the toric IOL group (0.26 ± 0.33) after cataract surgery was significantly better than that of the monofocal IOL group (0.48 ± 0.32) (p = 0.030). The distant UCVA of the toric IOL group (0.38 ± 0.14) was also significantly better than that of the monofocal IOL group (0.55 ± 0.22) (p = 0.026). Best-corrected visual acuity (p = 0.710) and mean spherical equivalent (p = 0.465) did not show significant differences between the toric IOL group and the monofocal IOL group. In the toric IOL group, postoperative refractive astigmatism was - 0.80 ± 0.46D and postoperative corneal astigmatism was - 1.50 ± 0.62D, whereas the corresponding values in the monofocal IOL group were - 1.65 ± 0.77D and - 1.45 ± 0.64D; residual refractive astigmatism was significantly lower with toric IOL implantation compared with monofocal IOL implantation (p = 0.001). There were no postoperative complications.Conclusions: When myopic refraction such as -3D was determined as the target power in patients with corneal astigmatism, toric IOL implantation led to excellent improvement in both near and distant UCVA.
- Subjects
ASTIGMATISM; PHACOEMULSIFICATION; MYOPIA; INTRAOCULAR lenses; RETROSPECTIVE studies; RESEARCH funding; VISUAL accommodation
- Publication
BMC Ophthalmology, 2021, Vol 21, Issue 1, p1
- ISSN
1471-2415
- Publication type
Academic Journal
- DOI
10.1186/s12886-021-01966-8