Visual Outcome after Nd:YAG Laser Capsulotomy

Hossain, MI; Hossain, Md. Motaher; Hossain, M. Tamim

doi:10.3329/jafmc.v5i2.4580

Cited by 5 publications

(4 citation statements)

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“…Likewise, Terry et al 21 and Aron-Rosa et al 22 reported visual improvement in 92%, and 94% of their cohorts, respectively. Regarding the changes in the spherical refractive error, several studies had reported that the change in the spherical error after YAG-PC was statistically insignificant, 20,[23][24][25] in agreement with our results in the non-FECD group. In the FECD eyes, there was a significant hyperopic shift compared to the controls in the 1st month and 3rd months after laser.…”

Section: Discussionsupporting

confidence: 92%

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Short-Term Anterior Segment Changes After Nd-YAG Laser Posterior Capsulotomy in Pseudophakic Eyes with Fuchs’ Endothelial Dystrophy

Eleiwa

Khedr

Fayek

et al. 2021

OPTH

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Purpose To describe the changes in the central corneal thickness (CCT), endothelial cell count (ECC), intraocular lens (IOL) position, and refractive error 1 and 3 months after Nd-YAG laser posterior capsulotomy (YAG-PC) for posterior capsular opacification (PCO) in pseudophakic eyes with Fuchs’ endothelial cell dystrophy (FECD). Design Prospective case-control. Participants Fifty pseudophakic eyes of 50 patients with visually significant PCO (25 with healthy corneas, and 25 with FECD grade 1 and 2). Methods FECD was clinically graded, and only patients without clinically evident corneal edema were included in the study (grade 1 and 2). All patients received YAG-PC and were followed up after 1 and 3 months. Best-corrected visual acuity, refractive errors, ACD, CCT, and ECC were assessed and compared between the pre-laser values and that of the 2 follow-up visits. Results In both groups, BCVA showed significant improvement (P<0.05). Compared to healthy controls, a significant hyperopic shift was observed in the FECD eyes at the 2 follow-up visits (P=0.027, and 0.019). A significant backward movement of the IOL was observed in the FECD eyes in the 2 follow-up visits (P=0.043, and 0.02). There was a significant correlation between the hyperopic shift in the FECD eyes and the ACD deepening during the 1st month (R= −0.6, P=0.001) and 3rd month (R= −0.4, P=0.04). Significant drop in the ECC was noted in both groups but without significant increase in the CCT. Conclusion Compared to controls, a hyperopic shift and backward movement of the IOL were observed in the FECD eyes after YAG-PC. No significant corneal thickening was found in both groups despite the significant drop in the ECC. Future studies are required to confirm our results and monitor the long-term changes after YAG-PC in FECD.

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Section: Discussionsupporting

confidence: 92%

“…As reported in the literature, we report a significant improvement in visual acuity in both groups after YAG-PC. Hossain et al 20 reported an 80% improvement in visual acuity. Likewise, Terry et al 21 and Aron-Rosa et al 22 reported visual improvement in 92%, and 94% of their cohorts, respectively.…”

Section: Discussionmentioning

confidence: 96%

Short-Term Anterior Segment Changes After Nd-YAG Laser Posterior Capsulotomy in Pseudophakic Eyes with Fuchs’ Endothelial Dystrophy

Eleiwa

Khedr

Fayek

et al. 2021

OPTH

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“…Maximum number of patients belonged to the age group of 50-70yrs with the mean age of 59.28 years. Majority of patients had grade I &II PCO and the total amount of energy required to disrupt the posterior capsular opacification (PCO) by YAG laser was found to be directly proportional to grade of posterior capsular opacification (PCO) similar to that reported by Hossain and Hossain(2009) (16) and Bhargawa et al (15). It was observed that a higher energy was needed for posterior capsular opacification (PCO) removal in younger age group patients (17), who usually have thicker opacified posterior capsule following cataract surgery, which is explained by a more active proliferation of posterior capsular cells.…”

Section: E J M Rsupporting

confidence: 78%

EVALUATION OF INTRAOCULAR PRESSURE POST Nd: YAG CAPSULOTOMY

Nigam¹,

Garg²,

Raj³

2019

EJMR

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The aim of our study is to evaluate the intraocular pressure changes after Nd:YAG posterior capsulotomy. For the purpose of this study, 220 out of the initially enrolled 253 subjects with visually significant posterior capsular opacification (PCO) underwent Nd:YAG capsulotomy and subsequent monitoring of intraocular pressure (IOP) immediately after the procedure and then 3 hours and 1 day after the procedure. We found that there was a significant fall in the mean intraocular pressure (IOP) was observed immediately post procedure on comparing with the pre-procedure levels (15.25 ± 2.46 mmHg), with mean change from the baseline being-0.55 (p=0.024), following a rise in IOP, peaking at 3 hours at an average of with a mean positive change from the baseline being 0.42 although the change was not significant (p=0.070). On repeating the IOP after 1 day we found that the IOP tended to return towards the baseline values i.e. the pre-procedure values, with the mean deflection from the baseline being only 0.09. More patients with higher grade [Grade III (p=0.001) & Grade IV (p=0.008)] required significantly higher energy for capsulotomy as compared to the lower grades [Grade I (p <0.001) & grade II (p=0.015)]. There was a greater fall in IOP from the baseline when lesser amount of energy was used and the association was highly significant (p=0.02; F= 5.134) and 3 hours after the capsulotomy, we found that the rise in IOP from the initial fall was higher when higher amount of energy was used and this difference was highly significant (p<0.001). We concluded from the study that there was an immediate fall in IOP followed by a spike at 3 hours but the IOP tended to return to normal baseline values after 1 day and the rise in IOP was proportional to the amount of energy used. Hence, we recommend the use of long acting topical IOP lowering agent immediately post capsulotomy before the patient is discharged.

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“…In another study by Hossain et al (10) ., visual outcome of 500 patients before and after capsulotomy was compared and 80% individuals showed improved visual acuity of ≥6/12.…”

Section: Discussionmentioning

confidence: 89%

Effect of ND: YAG Laser Capsulotomy on Corneal Endothelium

Samir

Haroun²,

Ghonemy³

et al. 2022

Egyptian Journal of Medical Research

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Background: Posterior capsular opacification (PCO) is the most common delayed complication of cataract surgery with IOL implantation. The incidence of (pco) was reported to be 20.7% at two years and 28.7% at five years after cataract surgery. The purpose of our work is to evaluate the corneal endothelium after Nd:YAG laser capsuolotomy by specular microscope. Patients and Methods: The study included 60 patients, age ranging from 18 to 65 years. This is a descriptive longitudinal study. This study conducted in "Memorial institute of ophthalmic research in Giza". Results: Nd:YAG laser used to perform posterior capsulotomies on patients that had undergone extracapsular cataract extraction. Only 7 (11.7%) patients had visual acuity improved to 0.3 less improvement in visual acuity. Vision was improved in all patients at least by one line. Visual outcome was not affected by complication. We did not document rise of IOP in any of our patient IOP after operation. Conclusion: Diminution of vision 2-3 years after successful cataract surgery became the chief complaint this is due to posterior capsule opicification, several advances and research has been done to prevent PCO by improving the surgical techniques, better IOL materials and design, use of therapeutic drugs but Nd:YAG laser capsulotomy is considered safe and with a low risk of complication.

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Visual Outcome after Nd:YAG Laser Capsulotomy

Cited by 5 publications

References 0 publications

Short-Term Anterior Segment Changes After Nd-YAG Laser Posterior Capsulotomy in Pseudophakic Eyes with Fuchs’ Endothelial Dystrophy

Short-Term Anterior Segment Changes After Nd-YAG Laser Posterior Capsulotomy in Pseudophakic Eyes with Fuchs’ Endothelial Dystrophy

EVALUATION OF INTRAOCULAR PRESSURE POST Nd: YAG CAPSULOTOMY

Effect of ND: YAG Laser Capsulotomy on Corneal Endothelium

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