scholarly journals Comparison of Efficacy between 120° and 180° Schlemm’s Canal Incision Microhook Ab Interno Trabeculotomy

2021 ◽  
Vol 10 (14) ◽  
pp. 3181
Author(s):  
Naoki Okada ◽  
Kazuyuki Hirooka ◽  
Hiromitsu Onoe ◽  
Yumiko Murakami ◽  
Hideaki Okumichi ◽  
...  
Keyword(s):  
Surgical Outcomes ◽  
Open Angle Glaucoma ◽  
Case Series ◽  
Glaucoma Surgery ◽  
Success Rates ◽  
Schlemm’S Canal ◽  
Schlemm's Canal ◽  
Kaplan Meier ◽  
The Mean ◽  
Ab Interno

We compared surgical outcomes in patients with either primary open-angle glaucoma or exfoliation glaucoma after undergoing combined phacoemulsification with either a 120° or 180° incision during a Schlemm’s canal microhook ab interno trabeculotomy (μLOT-Phaco). This retrospective comparative case series examined 52 μLOT-Phaco eyes that underwent surgery between September 2017 and December 2020. Surgical qualified success was defined as an intraocular pressure (IOP) of ≤20 mmHg, ≥20% IOP reduction with IOP-lowering medications, and no additional glaucoma surgery. Success rates were evaluated by Kaplan-Meier survival analysis. The number of postoperative IOP-lowering medications and occurrence of complications were also assessed. Mean preoperative IOP in the 120° group was 16.9 ± 7.6 mmHg, which significantly decreased to 10.9 ± 2.7 mmHg (p < 0.01) and 11.1 ± 3.1 mmHg (p = 0.01) at 12 and 24 months, respectively. The mean number of preoperative IOP-lowering medications significantly decreased from 2.8 ± 1.4 to 1.4 ± 1.4 (p < 0.01) at 24 months. Mean preoperative IOP in the 180° group was 17.1 ± 7.0 mmHg, which significantly decreased to 12.1 ± 3.2 mmHg (p = 0.02) and 12.9 ± 1.4 mmHg (p = 0.01) at 12 and 24 months, respectively. The mean number of preoperative IOP-lowering medications significantly decreased from 2.9 ± 1.2 to 1.4 ± 1.5 (p < 0.01) at 24 months. The probability of qualified success at 24 months in the 120° and 180° groups was 50.4% and 54.6%, respectively (p = 0.58). There was no difference observed for hyphema formation or IOP spikes. Surgical outcomes were not significantly different between the 120° and 180° incisions in Schlemm’s canal.

scholarly journals Effects of Ripasudil on Open-Angle Glaucoma after Circumferential Suture Trabeculotomy Ab Interno

2021 ◽  
Vol 10 (3) ◽  
pp. 401
Author(s):  
Tomoki Sato ◽  
Takahiro Kawaji
Keyword(s):  
Propensity Score Analysis ◽  
Open Angle Glaucoma ◽  
Outflow Tract ◽  
Control Group ◽  
Open Angle ◽  
Schlemm’S Canal ◽  
Schlemm's Canal ◽  
Score Analysis ◽  
The Mean ◽  
Ab Interno

We evaluated the effects of ripasudil on the distal aqueous outflow tract in patients with open-angle glaucoma (OAG) who underwent a 360° suture trabeculotomy ab interno followed by ripasudil treatment beginning 1 month postoperatively. We compared 27 of these patients, by using propensity score analysis, with 27 patients in a matched control group who had no ripasudil treatment. We assessed the changes in the mean intraocular pressure (IOP) and the relationship between the IOP changes and background factors. All eyes had a complete 360° Schlemm’s canal incision and phacoemulsification. The mean IOP at 1 and 3 months after ripasudil administration were significantly reduced by −1.7 ± 1.9 mmHg (p < 0.0001) and −1.3 ± 2.3 mmHg (p = 0.0081) in the ripasudil group, respectively, but IOP in the control group was not significantly reduced. The IOP reduction was significantly associated with the IOP before ripasudil treatment (p < 0.001). In conclusion, the use of ripasudil for patients with OAG after circumferential incision of the Schlemm’s canal produced significant IOP reductions. Ripasudil may affect the distal outflow tract, thereby leading to the IOP reduction.

scholarly journals Ab Interno vs. Ab Externo Microcatheter-Assisted Circumferential Trabeculotomy in Treating Patients With Primary Open-Angle Glaucoma

2021 ◽  
Vol 8 ◽  
Author(s):  
Weijia Zhang ◽  
Yiwei Wang ◽  
Chen Xin ◽  
Yang Sun ◽  
Kai Cao ◽  
...  
Keyword(s):  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Case Series ◽  
Open Angle ◽  
Success Rates ◽  
Criterion A ◽  
The Mean ◽  
Group 2 ◽  
Ab Interno ◽  
Group 1

Background: Circumferential trabeculotomy have evolved from ab externo to ab interno approach. Both procedures may lower IOP, but it is unclear which maybe a superior approach.Purpose: To compare the outcomes of ab interno and ab externo circumferential trabeculotomy in patients with primary open-angle glaucoma.Design: Retrospective, comparative case series.Participants: Primary open angle glaucoma patients undergoing ab interno (40 patients in Group 1) or ab externo (54 patients in Group 2) circumferential trabeculotomy, with about one half of them having prior incisional glaucoma surgery.Methods: Outcomes including intraocular pressure (IOP), glaucoma medications and surgical complications were analyzed.Main Outcome Measures: IOP, medications and surgical success defined as an IOP of ≤ 21 mmHg and a reduction of IOP ≥20% from baseline (criterion A) or IOP ≤ 18 mmHg and a reduction of IOP 20% from baseline (criterion B) with (qualified success) or without (complete success) medications.Results: At 1 year, IOP decreased by 37.1% (26.0–14.8 mmHg) in Group 1 and 39.5% (28.5–15.1 mmHg) in Group 2. Medications decreased from 3.5 in Group 1 and 3.6 in Group 2 pre-operatively to 0.6 ± 1.0 and 0.3 ± 0.6 post-operatively, respectively. Success rates did not differ significantly between groups based on criterion A (complete and qualified success: 68.7 and 81.9% in Group 1, and 75.3 and 90.4% in Group 2, respectively) or criterion B (complete and qualified success: 58.2 and 79.3%in Group 1, and 69.5 and 88.4% in Group 2, respectively). For eyes with prior filtration surgeries, the mean percent reduction of IOP (41.7 ± 32.7% in Group 1, 39.7 ± 27.8% in Group 2, P = 0.724) and the mean medication reduction (2.9 ± 1.6 in Group 1, 3.4 ± 1.0 in Group 2, P = 0.454) were not significantly different.Conclusions: Ab interno circumferential trabeculotomy achieved comparable outcomes to ab externo trabeculotomy and may be an effective surgical option for patients with primary open-angle glaucoma.

scholarly journals 360° Ab-Interno Schlemm’s Canal Viscodilation with OMNI Viscosurgical Systems for Open-Angle Glaucoma—Midterm Results

2022 ◽  
Vol 11 (1) ◽  
pp. 259
Author(s):  
Giacomo Toneatto ◽  
Marco Zeppieri ◽  
Veronica Papa ◽  
Laura Rizzi ◽  
Carlo Salati ◽  
...  
Keyword(s):  
Surgical Procedures ◽  
Open Angle Glaucoma ◽  
Cataract Extraction ◽  
Glaucoma Surgery ◽  
Open Angle ◽  
Schlemm’S Canal ◽  
Schlemm's Canal ◽  
Primary Success ◽  
Group 2 ◽  
Ab Interno

Purpose: To evaluate the effectiveness of ab-interno microcatheterization and 360° viscodilation of Schlemm’s canal (SC) performed with OMNI viscosurgical system in open angle glaucoma (OAG) together or not with phacoemulsification. Setting: Two surgical sites. Design: Retrospective, observational. Methods: Eighty eyes from 73 patients with mild to moderate OAG underwent ab- interno SC viscodilation performed with OMNI system. Fifty eyes (Group 1) underwent only SC viscodilation, while 30 eyes (Group 2) underwent glaucoma surgery + cataract extraction. Primary success endpoint at 12 months was an intraocular pressure (IOP) reduction higher than 25% from baseline with an absolute value of 18 mmHg or lower, either on the same number or fewer ocular hypotensive medications, without further interventions. Secondary effectiveness endpoints included mean IOP, number of medications and comparison of outcomes between groups. Safety endpoints consisted of best-corrected visual acuity (BCVA), adverse events (AEs), and subsequent surgical procedures. Results: Primary success was achieved in 40.0% and 67.9% in Groups 1 and 2, respectively. Mean IOP at 12-month follow-up showed a significant reduction in both groups (from 23.0 to 15.6 mmHg, p < 0.001, and from 21.5 to 14.1, p < 0.001, in Groups 1 and 2, respectively). Mean medication number decreased in both groups (from 3.0 to 2.0, p < 0.001 and from 3.4 to 1.9, p < 0.001, in Groups 1 and 2, respectively). AEs included hyphema (2 eyes), mild hypotony (4 eyes), IOP spikes one month after surgery (1 eye). Twelve eyes (15.0%) required subsequent surgical procedures. No BCVA reduction was observed. Conclusions: Viscodilation of SC using OMNI viscosurgical systems is safe and relatively effective in reducing IOP in adult patients with OAG.

scholarly journals 12-month randomised trial of 360° and 180° Schlemm’s canal incisions in suture trabeculotomy ab interno for open-angle glaucoma

2020 ◽  
pp. bjophthalmol-2020-316624
Author(s):  
Tomoki Sato ◽  
Takahiro Kawaji
Keyword(s):  
Open Angle Glaucoma ◽  
Randomised Trial ◽  
Open Angle ◽  
Schlemm’S Canal ◽  
Schlemm's Canal ◽  
Criterion A ◽  
Kaplan Meier ◽  
Registration Number ◽  
Ab Interno

Background/AimsTo perform a 12-month comparison between the different extents and locations of Schlemm’s canal incisions during suture trabeculotomy ab interno for open-angle glaucoma (OAG).MethodsThis is a prospective, single-centre, three-arm randomised trial. A total of 99 eyes of 99 patients were randomly assigned to one of three groups: the 360° incision group (n=34), the upper-180° incision group (n=34) and the lower-180° incision group (n=31). Intraocular pressure (IOP), number of medications and complications were evaluated until 12 months after surgery. Surgical success (with or without medication) was defined as IOP ≤21 mmHg and ≥20% IOP reduction (criterion A) or IOP ≤15 mmHg and ≥20% IOP reduction (criterion B).ResultsThe mean IOP (±SD) in all eyes was reduced from 18.6 (5.9) mmHg with 3.1 (1.1) medications to 13.7 (3.4) mmHg (20.8% reduction; p<0.001) with 1.4 (1.3) medications (p<0.001) at postoperative 12-month. Each group produced comparable mean reductions in both IOP and the number of medications throughout 12 months of follow-up. Kaplan-Meier cumulative survival analyses showed no significance among these three groups for criterion A and criterion B. Postoperative hyphema with niveau formation occurred significantly more in the 360° group than in the lower-180° group (p=0.031).ConclusionsThe different extents and locations of Schlemm’s canal incisions during suture trabeculotomy ab interno for OAG, including the 360° incision, the upper-180° incision and the lower-180° incision, do not affect both the IOP reduction and the medications throughout 12 months of follow-up.Trial registration numberUMIN000021169.

scholarly journals Comparison of Surgical Outcomes between Canaloplasty and Schlemm’s Canal Scaffold at 24 Months’ Follow-Up

2016 ◽  
Vol 2016 ◽  
pp. 1-5 ◽  
Author(s):  
Stefano A. Gandolfi ◽  
Nicola Ungaro ◽  
Stella Ghirardini ◽  
Maria Grazia Tardini ◽  
Paolo Mora
Keyword(s):  
Safety Profile ◽  
Surgical Outcomes ◽  
Clinical Success ◽  
Open Angle Glaucoma ◽  
Glaucoma Surgery ◽  
Open Angle ◽  
Schlemm’S Canal ◽  
Comparable Rate ◽  
Schlemm's Canal

The results of canaloplasty (CP) and Hydrus Microstent (HM) implantation were retrospectively compared at 24 months’ follow-up in a cohort of subjects referred to our Institution for uncontrolled IOP in primary or secondary (e.g., pseudoexfoliative and pigmentary) open-angle glaucoma. The outcome was labelled as “complete” success, “qualified” success, or “failure” if, two years after surgery, the eyes operated on needed “no” hypotensive medications, “some” hypotensive medications, or further glaucoma surgery to attain the target IOP, respectively. Both CP and HM implant allowed significant IOP reductions, with comparable rate of clinical success and safety profile. A slightly (albeit not significant) better trend for a “complete” clinical success was observed in the CP group.

scholarly journals One-year outcomes of microhook trabeculotomy versus suture trabeculotomy ab interno

2021 ◽  
Author(s):  
Hiroshi Yokoyama ◽  
Masashi Takata ◽  
Fumi Gomi
Keyword(s):  
Survival Analysis ◽  
Clinical Success ◽  
Treatment Success ◽  
Medication Use ◽  
Glaucoma Surgery ◽  
Success Rates ◽  
Kaplan Meier ◽  
One Year ◽  
Ab Interno

Abstract Purpose To compare clinical success rates and reductions in intraocular pressure (IOP) and IOP-lowering medication use following suture trabeculotomy ab interno (S group) or microhook trabeculotomy (μ group). Methods This retrospective review collected data from S (n = 104, 122 eyes) and μ (n = 42, 47 eyes) groups who underwent treatment between June 1, 2016, and October 31, 2019, and had 12-month follow-up data including IOP, glaucoma medications, complications, and additional IOP-lowering procedures. The Kaplan–Meier survival analysis was used to evaluate treatment success rates defined as normal IOP (> 5 to ≤ 18 mm Hg), ≥ 20% reduction of IOP from baseline at two consecutive visits, and no further glaucoma surgery. Results Schlemm’s canal opening was longer in the S group than in the μ group (P < 0.0001). The Kaplan–Meier survival analysis of all eyes showed cumulative clinical success rates in S and µ groups were 71.1% and 61.7% (P = 0.230). The Kaplan–Meier survival analysis of eyes with preoperative IOP ≥ 21 mmHg showed cumulative clinical success rates in S and μ groups were 80.4% and 60.0% (P = 0.0192). There were no significant differences in postoperative IOP at 1, 3, and 6 months (S group, 14.9 ± 5.6, 14.6 ± 4.5, 14.6 ± 3.9 mmHg; μ group, 15.8 ± 5.9, 15.2 ± 4.4, 14.7 ± 3.7 mmHg; P = 0.364, 0.443, 0.823), but postoperative IOP was significantly lower in the S group at 12 months (S group, 14.1 ± 3.1 mmHg; μ group, 15.6 ± 4.1 mmHg; P = 0.0361). There were no significant differences in postoperative numbers of glaucoma medications at 1, 3, 6, and 12 months (S group, 1.8 ± 1.6, 1.8 ± 1.5, 2.0 ± 1.6, 1.8 ± 1.5; μ group, 2.0 ± 1.6, 2.0 ± 1.6, 2.1 ± 1.6, 2.2 ± 1.7; P = 0.699, 0.420, 0.737, 0.198). Conclusion S and µ group eyes achieved IOP reduction, but μ group eyes had lower clinical success rates among patients with high preoperative IOP at 12 months.

Complications Common to Nonpenetrating Surgeries

2013 ◽  
Author(s):  
Andrew C. Crichton
Keyword(s):  
Glaucoma Surgery ◽  
Outer Wall ◽  
Glaucoma Drainage Device ◽  
Deep Sclerectomy ◽  
Success Rates ◽  
Schlemm’S Canal ◽  
Schlemm's Canal ◽  
Descemet's Membrane ◽  
Descemet’S Membrane ◽  
Controlled Flow

Nonpenetrating glaucoma surgery encompasses techniques that involve a deep dissection to the level of Descemet’s membrane, allowing aqueous seepage. The major techniques covered by the term “nonpenetrating surgery” are deep sclerectomy with or without implant and viscocanalostomy. In large meta-analyses comparing nonpenetrating procedures to trabeculectomy, trabeculectomy resulted in lower intraocular pressures (IOP) but a higher risk of postoperative complications. Although nonpenetrating surgery is successful in lowering IOP, the amount of IOP lowering is typically not as low as can be achieved with trabeculectomy. Consequently, patient selection with regard to the target IOP is important in the decision of whether or not to perform a nonpenetrating procedure. The goal of nonpenetrating procedures is to lower IOP with fewer complications than are seen with trabeculectomy. The complications that can occur can be easily understood and predicted by an understanding of the techniques and modifications, as well as knowledge and mechanisms of the adjustments that can be used postoperatively to enhance success. After appropriate anesthetic, the techniques involve a deep dissection in the sclera to the limbus. In the case of deep sclerectomy, after the initial half-thickness flap is fashioned, a second deeper flap is created and excised. This dissection is taken to the level of Descemet’s membrane, allowing controlled flow of aqueous. A fine forceps may be used to strip the outer wall of Schlemm’s canal, further enhancing the flow. The space created by the excision can then be filled with an implant, such as collagen (AquaFlow™ Collagen Glaucoma Drainage Device; STAAR® Surgical Company, Monrovia, California) or hyaluronate (SK Gel®; Corneal Laboratories, Paris, France). For viscocanalostomy, Schlemm’s canal is identified and dilated by using viscoelastic. With deep sclerectomy, intraoperative or postoperative antimetabolites may be used to try to increase success rates by limiting the inflammatory response. Goniopuncture to the Descemet’s window is often required postoperatively (in up to 67% of cases) to enhance flow and lower IOP. The available evidence on complications of nonpenetrating glaucoma surgery is relatively sparse and may be challenging to interpret. Comparative studies between trabeculectomy and nonpenetrating surgery would seem to show fewer complications in the nonpenetrating group.

scholarly journals Primary Outcomes of Combined Cataract Extraction Technique with Ab-interno Trabeculectomy  and Endoscopic Cyclophotocoagulation  in Patients with Primary Open Angle Glaucoma

2020 ◽  
Author(s):  
Juan Carlos Izquierdo ◽  
Josefina Mejias ◽  
Laura Cañola ◽  
Natalia Agudelo ◽  
Barbara Rubio
Keyword(s):  
Primary Open Angle Glaucoma ◽  
Open Angle Glaucoma ◽  
Glaucoma Surgery ◽  
Open Angle ◽  
Surgical Success ◽  
Corrected Visual Acuity ◽  
Ab Interno Trabeculectomy ◽  
The Mean ◽  
Best Corrected Visual Acuity ◽  
Ab Interno

Abstract Background: Glaucoma surgery have been developed to lower intraocular pressure in a less invasive manner than traditional glaucoma surgery. The purpose of this article is to determine the outcome of using combined phacoemulsification technique, ab-interno trabeculectomy dual blade and endoscopic cyclophotocoagulation (ECP) surgeries in patients with primary open angle glaucoma. Methods: A retrospective case series was performed on 27 consecutive eyes with both primary open-angle glaucoma (POAG) and cataract; each eye was treated with combined phacoemulsification, ab-interno trabeculectomy-Kahook Dual Blade and Endocyclophotocoagulation at Instituto de ojos Oftalmosalud, Lima, Peru, between April 2017 and May 2017. Inclusion criteria: 1) Patients with uncontrolled mild to advanced POAG (according to Glaucoma Grading Scale HODAPP) 2) cataract condition 3) treatment with two or more glaucoma medications due to rapid progression in the visual fields (at least two in a short period of time). Intraocular pressure (IOP), best corrected visual acuity (BCVA) logMAR and number of glaucoma medications were recorded prior to the study, at day 1, week 1, and 1,3,6 and 9 months after surgery. Primary outcome measure was surgical success defined in terms of IOP <14 mmHg either with no medications (complete success) or with medications (qualified success). Results: A total of 27 eyes from 27 patients were included. The mean basal IOP was 17.0±3.7 mmHg and postoperatively was 11.6±1.9 mmHg and 11.4±1.8 mmHg (P<0.001) at 6 and 9 months respectively. Glaucoma medications decreased from 1.9±1.4 to 0.56±1.05 at 9 month follow-ups (P<0.001). Preoperative best corrected visual acuity (BCVA) showed and improvement from 0.4± 0.4 LogMAR to 0.2 ± 0.4 logMAR at 9 months. The main complication was blood reflux intra-operatively (66.7%), which resolved without re-operation. The mean IOP was reduced by 32.9% from baseline and the surgical success was 92,6%, (complete success 70,3% and qualified success 29,6%) at 9 months.Conclusions: In patients with POAG, combined treatment with phacoemulsification, ab-interno trabeculectomy and endoscopic cyclophotocoagulation effectively reduced IOP and glaucoma medication dependence.

scholarly journals Short-Term Clinical Results of Ab Interno Trabeculotomy Using the Trabectome with or without Cataract Surgery for Open-Angle Glaucoma Patients of High Intraocular Pressure

2017 ◽  
Vol 2017 ◽  
pp. 1-9 ◽  
Author(s):  
Handan Akil ◽  
Vikas Chopra ◽  
Alex S. Huang ◽  
Ramya Swamy ◽  
Brian A. Francis
Keyword(s):  
Intraocular Pressure ◽  
Open Angle Glaucoma ◽  
Glaucoma Surgery ◽  
Clinical Results ◽  
Secondary Glaucoma ◽  
Open Angle ◽  
Short Term ◽  
Safety And Efficacy ◽  
Kaplan Meier ◽  
Ab Interno

Purpose. To assess the safety and efficacy of Trabectome procedure in patients with preoperative intraocular pressure (IOP) of 30 mmHg or higher. Methods. All patients who had underwent Trabectome stand-alone or Trabectome combined with phacoemulsification were included. Survival analysis was performed by using Kaplan-Meier, and success was defined as IOP ≤ 21 mmHg, 20% or more IOP reduction from baseline for any two consecutive visits after 3 months, and no secondary glaucoma surgery. Results. A total of 49 cases were included with an average age of 66 (range: 13–91). 28 cases had Trabectome stand-alone and 21 cases had Trabectome combined with phacoemulsification. Mean IOP was reduced from a baseline of 35.6 ± 6.3 mmHg to 16.8 ± 3.8 mmHg at 12 months (p<0.01∗), while the number of medications was reduced from 3.1 ± 1.3 to 1.8 ± 1.4 (p<0.01∗). Survival rate at 12 months was 80%. 9 cases required secondary glaucoma surgery, and 1 case was reported with hypotony at day one, but resolved within one week. Conclusion. Trabectome seems to be safe and effective in patients with preoperative IOP of 30 mmHg or greater. Even in this cohort with high preoperative IOP, the end result is a mean IOP in the physiologic range.

scholarly journals 12-month interim results of a prospective study of patients with mild to moderate open-angle glaucoma undergoing combined viscodilation of Schlemm’s canal and collector channels and 360° trabeculotomy as a standalone procedure or combined with cataract surgery

2021 ◽  
pp. 112067212199823
Author(s):  
Iwona Grabska-Liberek ◽  
Patrycja Duda ◽  
Monika Rogowska ◽  
Julita Majszyk- Ionescu ◽  
Agnieszka Skowyra ◽  
...  
Keyword(s):  
Cataract Surgery ◽  
Open Angle Glaucoma ◽  
Case Series ◽  
Open Angle ◽  
Schlemm’S Canal ◽  
Schlemm's Canal ◽  
Prospective Case Series ◽  
A Prospective Study ◽  
Time Point

Purpose: To characterize clinical outcomes of combined viscodilation of Schlemm’s canal and collector channels and 360° trabeculotomy as a standalone procedure or combined with cataract surgery in eyes with mild to moderate open-angle glaucoma (OAG). Methods: In this prospective case series, the OMNI glaucoma surgical platform (Sight Sciences, Menlo Park, CA) was utilized to perform the procedure either combined with phacoemulsification or as a standalone procedure. Changes from baseline in intraocular pressure (IOP) and IOP-lowering medications were evaluated through the first 12 months of a planned 24-month follow-up period. Results: Among 17 eyes of 15 subjects, mean IOP was reduced from 20.4 mmHg to 12.7–13.7 mmHg through 12 months of follow-up ( p < 0.001 at every time point) and mean medications reduced from 2.5 to 0.1–0.6 ( p < 0.001 at every time point). IOP reductions in eyes undergoing standalone surgery were approximately 2–4 mmHg greater at each time point compared to eyes undergoing surgery combined with phacoemulsification; this may be related to a higher baseline IOP in the former eyes (22.1 vs 18.5 mmHg). Six eyes developed hyphema, of which three required washout for elevated IOP on the first postoperative day; six additional eyes had IOP elevations that resolved with medical management. Conclusion: Viscodilation of Schlemm’s canal and collector channels paired with ab interno trabeculotomy performed with a single integrated instrument (OMNI), whether as standalone or combined with phacoemulsification, effectively lowers both IOP and the need for IOP-lowering medications through 12 months of follow-up.

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