Tilt and decentration of the implanted posterior chamber intraocular lens

Kozaki, Jun; Tanilhara, Hidenobu; Yasuda, Akinobu; Nagata, Makoto

doi:10.1016/s0886-3350(13)81046-2

Cited by 44 publications

(22 citation statements)

References 2 publications

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“…Tilt and decentration of implanted IOLs are some of the common complications after cataract surgery and result in postoperative astigmatism, glare, reflection and halos around the image. Various pathological conditions, surgical techniques and properties of IOLs have been reported to be related with IOL tilt and decentration or both after cataract surgery [1, 2, 3, 4, 5, 6, 7]. In a comparative study, Hayashi et al [9]showed that open-angle glaucoma eyes had higher rates of marked IOL tilt and decentration than control eyes.…”

Section: Discussionmentioning

confidence: 99%

“…If Purkinje images were not viewed in precise alignment in the fixing eye, the patient was asked to follow the fixating light as it moved on the transparent frame. The calculation method of the actual tilt angle was the same as described by previous studies [1, 2, 12]. The fellow eye was closed during the measurements.…”

Section: Methodsmentioning

confidence: 99%

“…There has been a widespread swing toward the use of small-incision cataract surgery combined with trabeculectomy for the treatment of this challenging problem. Many variables such as surgical technique, residual cortical material, asymmetrical haptic fixation, anterior capsulotomy technique, properties of the intraocular lens (IOL), diabetes mellitus and pseudoexfoliation syndrome have been suggested to cause tilt and decentration of implanted IOLs which can cause visual disturbances [1, 2, 3, 4, 5, 6, 7]. There are few studies that report the position of implanted IOLs after cataract surgery in cases with glaucoma [8, 9].…”

Section: Introductionmentioning

confidence: 99%

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Comparison of Tilt and Decentration between Phacoemulsification and Phacotrabeculectomy

Mutlu¹,

Bayer²,

Erduman³

et al. 2005

Ophthalmologica

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Purpose: To determine the extent of intraocular lens (IOL) tilt and decentration values after combined surgery in patients with cataract and glaucoma. Materials and Methods: A total of 106 cataractous eyes undergoing IOL implantation were divided into 2 groups. Group 1 comprised 42 eyes undergoing phacotrabeculectomy surgery for cataract and primary open-angle glaucoma (POAG), and group 2 comprised 64 eyes undergoing phacoemulsification surgery for senile cataract. The length of IOL decentration and the angle of IOL tilt were quantitated by using Purkinje reflections and photographic documentation. Results: The differences regarding both the IOL tilt (2.84 ± 0.37; 2.97 ± 0.37, respectively) and decentration (0.39 ± 0.27; 0.49 ± 0.35, respectively) was insignificant (p > 0.05) between groups. Conclusion: There is no increased effect of phacotrabeculectomy on tilt and decentration of IOLs in eyes with POAG when compared with eyes which underwent phacoemulsification surgery.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparison of Tilt and Decentration between Phacoemulsification and Phacotrabeculectomy

Mutlu¹,

Bayer²,

Erduman³

et al. 2005

Ophthalmologica

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“…Such position abnormalities cause optical aberrations (4). These position abnormalities can be examined with biomicroscopy, ultrasonic biomicroscopy, Scheimpflug video photography and optical coherence tomography (OCT).…”

Section: Introductionmentioning

confidence: 99%

Evaluation of scleral-fixated intraocular lens position anomalies by anterior segment optical coherence tomography

Polat

Devranoğlu²,

Özdamar³

et al. 2014

Turk J Med Sci

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Background/aim: To measure the positions of scleral-fixated intraocular lenses (IOLs) using anterior segment optical coherence tomography (OCT) and to evaluate the influence of the position of scleral-fixated IOL on the quality of vision.Materials and methods: Twenty-six eyes of 26 patients were included in the study. The average age was 57.5 (11 to 78) years. Anterior segment images were taken using slit lamp optical coherence tomography (SL-OCT) and were used to evaluate the position of the IOL. Results:The average amounts of tilt and decentration were 2.25° ± 1.93° and 359.28 ± 194.70 µm, respectively. There was a positive and moderate relationship between tilt and astigmatism caused by the position of the IOL (P = 0.030). No relationship was detected between decentration and the astigmatism caused by the position of the IOL (P = 0.285). Conclusion:Scleral-fixated IOL position can be evaluated with SL-OCT, which is a noncontact, noninvasive, reproducible, and reliable method of evaluation. Anterior segment OCT has been shown to provide sensitive measurements but not in all cases. The present study showed that a tilted scleral-fixated IOL behaved like a toric IOL, and the astigmatism caused by the position of the scleral-fixated IOL therefore could increase or decrease total astigmatism.

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“…An obvious concern about these wavefrontcorrected lenses is the required accuracy of position and centration of the lens (2) . Although it has been known that decentration and tilt of the IOL can cause unwanted optical image or dysphotopsia (3) , the influence of an reversed-optic (upside down) aspherical multifocal IOL on the optical quality of the eye has never been reported. We describe and compare one patient that received inadvertently an implantation of a Tecnis ZM900 multifocal IOL in an opposite-side in 1 eye and the same IOL in the corrected position in the fellow eye.…”

Section: Introductionmentioning

confidence: 99%

Inadvertent implantation of a reversed-optic Tecnis ZM900 multifocal intraocular lens: case report

Hida

Motta

Nakano

et al. 2012

Arq. Bras. Oftalmol.

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A 51-year-old woman with age-related cataract had an uneventful phacoemulsification and a Tecnis ZM900 multifocal intraocular lens (IOL) implantation in both eyes. During IOL implantation in the left eye, the optic was unintentionally reversed in the bag and left that way. The refraction surprise was not significant and six months postoperatively the corrected distance visual acuity in both eyes was 20/20 and neither complained of visual discomfort. In conclusion, we found that a reversed-optic Tecnis multifocal IOL in the present case resulted in good final visual acuity without significant differences in aberrations compared to the other eye, and a conservative management can be taken as a safe option. Keywords

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Tilt and decentration of the implanted posterior chamber intraocular lens

Cited by 44 publications

References 2 publications

Comparison of Tilt and Decentration between Phacoemulsification and Phacotrabeculectomy

Comparison of Tilt and Decentration between Phacoemulsification and Phacotrabeculectomy

Evaluation of scleral-fixated intraocular lens position anomalies by anterior segment optical coherence tomography

Inadvertent implantation of a reversed-optic Tecnis ZM900 multifocal intraocular lens: case report

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