scholarly journals Hyperopic Shift caused by Capsule Contraction Syndrome after Microincision Foldable Intraocular Lens Implantation: case series

2018 ◽  
Author(s):  
Tae Gi Kim ◽  
Sang Woong Moon

Abstract Background: Increasing interest in microincision cataract surgery has led to the use of more flexible intraocular lens (IOL). Flexible IOL may cause more IOL deformation and refractive error when capsule contraction syndrome (CCS) occurred. In this retrospective observational case series study, the aim was to report four cases of hyperopic shift caused by CCS after phacoemulsification with microincision foldable intraocular lens implantation. Case presentation: All of four patients underwent phacoemulsification and in-the-bag implantation of an Akreos MI60 (Bausch and Lomb) IOL from 2010 to 2016 in our clinic. These patients had been diagnosed with CCS and had undergone Nd:YAG laser anterior capsulotomy. The mean age of the patients with CCS was 66.8 ± 6.7 years and the mean time for development of CCS after the cataract surgery was 9.3 ± 6.9 months. The mean spherical equivalent (SE) value at the time of the CCS diagnosis was 0.88 ± 0.91 D, which had shown a hyperopic shift compared to the SE value of − 0.91 ± 1.29 D after cataract surgery. The mean SE decreased by − 0.47 ± 1.14 D after Nd:YAG laser anterior capsulotomy. The mean age, axial length, anterior chamber depth, and preoperative SE were not significantly different between the patient with CCS and the patients without CCS. Conclusions: In the case of IOL implantation with flexible materials in microincision cataract surgery, CCS can cause a hyperopic shift. Refractive error caused by CCS can be effectively corrected by Nd:YAG laser anterior capsulotomy. Key Words: Capsule contraction syndrome, Microincision cataract surgery, Refractive change, Nd:YAG laser anterior capsulotomy, Intraocular lens

2019 ◽  
Author(s):  
Tae Gi Kim ◽  
Sang Woong Moon

Abstract Background Increasing interest in microincision cataract surgery has led to the use of more flexible intraocular lens (IOL). Flexible IOL may cause more IOL deformation and refractive error when capsule contraction syndrome (CCS) occurred. In this retrospective observational case series study, the aim was to report four cases of hyperopic shift caused by CCS after phacoemulsification with microincision foldable intraocular lens implantation. Case presentation All of four patients underwent phacoemulsification and in-the-bag implantation of an Akreos MI60 (Bausch and Lomb) IOL from 2010 to 2016 in our clinic. These patients had been diagnosed with CCS and had undergone Nd:YAG laser anterior capsulotomy. The mean age of the patients with CCS was 66.8 ± 6.7 years and the mean time for development of CCS after the cataract surgery was 9.3 ± 6.9 months. The mean spherical equivalent (SE) value at the time of the CCS diagnosis was 0.88 ± 0.91 D, which had shown a hyperopic shift compared to the SE value of − 0.91 ± 1.29 D after cataract surgery. The mean SE decreased by − 0.47 ± 1.14 D after Nd:YAG laser anterior capsulotomy. The mean age, axial length, anterior chamber depth, and preoperative SE were not significantly different between the patient with CCS and the patients without CCS. Conclusions In the case of IOL implantation with flexible materials in microincision cataract surgery, CCS can cause a hyperopic shift. Refractive error caused by CCS can be effectively corrected by Nd:YAG laser anterior capsulotomy.


2020 ◽  
Vol 2020 ◽  
pp. 1-7
Author(s):  
Aizhu Miao ◽  
Min Zhang ◽  
Tianhui Chen ◽  
Yi Lu

Purpose. To characterize the influence of decentration on higher-order aberrations of Artisan aphakic intraocular lens implantation eyes. Setting. Department of Ophthalmology and Vision Science, Eye and ENT Hospital of Fudan University, Shanghai, China. Design. Retrospective case series. Methods. Twenty-three eyes of 18 patients were retrospectively examined. Location of the IOL was imaged using a slit-lamp, and decentration (the distance from the center of a pupil to the geometric center of the IOL) was measured using the AutoCAD 2007 software. Ocular and internal higher-order aberrations were measured using the wavefront analyzer KR-1W (Topcon) and their correlation with decentration were analyzed. Coma, spherical, 3rd-, 4th-order, trefoil, tetrafoil aberrations, ocular, and internal higher-order aberrations were calculated for a 4.0 mm pupil diameter. Results. The mean age of patients was 33.6 ± 21.4 years (ranging from 7 to 72 years). The mean follow-up period was 28.2 ± 10.5 months (ranging from 12 to 52 months). The mean postoperative best-corrected visual acuity (BCVA) was 0.19 ± 0.19 logMAR (range −0.18–0.52). The mean decentration was 0.57 ± 0.28 mm (range 0.15–1.21 mm). There was no correlation between Artisan IOL decentration and ocular higher-order aberrations, internal higher-order aberrations, coma, spherical, 3rd-, 4th-order, trefoil, and tetrafoil aberrations, respectively. There was a positive correlation between Artisan IOL decentration and 2nd-astig aberrations when 2nd-astig aberrations were less than 0.1. Conclusions. The position of Artisan IOLs showed slight decentration and the amounts of decentration were not large enough to influence higher-order aberrations.


2020 ◽  
pp. 112067212096546
Author(s):  
Nilay Kandemir Besek ◽  
Gulsah Gumus ◽  
Gamze Ozturk Karabulut ◽  
Senay Asik Nacaroglu ◽  
Ahmet Kirgiz ◽  
...  

Purpose: To investigate the effect of capsular tension rings (CTRs) on postoperative refractive results in patients with pseudoexfoliation (PSX) syndrome. Materials and Methods: Sixty-nine patients with PSX syndrome who had uncomplicated cataract surgery between March 2016 and February 2019 were reviewed retrospectively. The patients were divided into two groups. The 35 patients in Group 1 received CTRs prior to intraocular lens implantation during cataract surgery, and the 34 patients in Group 2 had cataract surgery without CTRs. Significant zonular weakness, uncontrolled glaucoma, and ocular pathologies causing low visual acuity were excluded. The preoperative and postoperative keratometry and autorefraction measurements, preoperative expected refractive values, and absolute refractive error were recorded. Results: The mean ages of patients were 73.54 ± 9.78 years in Group 1 and 72.23 ± 6.72 years in Group 2 ( p = 0.521). There was no statistically significant difference between Group 1 and Group 2 in terms of expected preoperative refraction values (–0.52 ± 0.12,–0.56 ± 0.08, respectively, p = 0.118). There was a statistically significant difference in postoperative spherical equivalent values between Group 1 and Group 2 (–0.05 ± 0.97 and −0.92 ± 0.57, respectively, p < 0.01). A statistically significant difference was found between the two groups in terms of absolute refractive error (0.46 ± 0.74 in Group 1 and −0.34 ± 0.59 in Group 2 p < 0.01). Conclusion: CTR implantation causes hyperopic shift, which should be taken into consideration when calculating the lens power of intraocular lens in patients with PSX syndrome.


1970 ◽  
Vol 13 (4) ◽  
pp. 163-167
Author(s):  
K Fariduddin ◽  
S Samanta ◽  
C Chakraborty

A 39 year-old female presented with progressive diminution of vision in the right eye for six months after sustaining an injury from a high-voltage electric current to the right side of her forehead, face, around the right eye and to the scalp. On examination with the slit lamp, the right eye showed a mature cataract and anterior subcapsular opacities, with early lental opacity in left eye. She suffered from lagophthalmos and slight conjunctival congestion in the right eye. Vision in the right eye was only perception of light and in the left eye accurate projection of rays and 6/24. From the history, the type of injury (wound of entry and exit), and slit-lamp examination confirmed a case of bilateral electric cataract. We performed manual smallincision cataract surgery with posterior chamber intraocular lens implantation in right eye and in the left eye, using local anesthesia. Postoperative visual acuity was only 3/20 in the right eye and 6/6 in the left eye. In this case we have seen three circumscribed retinal lesions in the right eye; the left eye it was normal. This has been documented.The second case was a 20-year-old male, who was admitted to our center with bilateral electric cataract. He was treated the same way as the first case. He regained normal BCVA after cataract surgery with posterior chamber intraocular lens implantation.


2020 ◽  
Vol 46 (8) ◽  
pp. 1102-1107
Author(s):  
Vaishali Vasavada ◽  
Lajja Shastri ◽  
Abhay R. Vasavada ◽  
Priyanka Patel ◽  
Deepa Agarwal ◽  
...  

2007 ◽  
Vol 33 (2) ◽  
pp. 210-216 ◽  
Author(s):  
Alexandre Denoyer ◽  
Marie-Laure Le Lez ◽  
Samuel Majzoub ◽  
Pierre-Jean Pisella

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