Advances in Ocular Surgery and Eyesight

A special issue of Journal of Clinical Medicine (ISSN 2077-0383). This special issue belongs to the section "Ophthalmology".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 3392

Special Issue Editors


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Guest Editor
Department of Ophthalmology, College of Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA
Interests: inherited retinal dystrophies; age-related macular degeneration; glaucoma; gene therapy; inflammation
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Ophthalmology, Hamilton Eye Institute, University of Tennessee Health Science Center, Memphis, TN 38163, USA
Interests: pediatric cataracts; ocular complications of children with cancer and brain tumors
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Ocular diseases are becoming more and more prevalent with time, as the predicted numbers of cases of conditions such as age-related macular degeneration and glaucoma are expected to nearly double in the next 20 years. The Special Issue begins by highlighting groundbreaking surgical approaches that have revolutionized the field of ocular surgery. Recent research has yielded significant advancements in the realm of minimally invasive procedures, robotic-assisted surgeries, and innovative methodologies pertaining to refractive and cataract surgeries. In not only the retina, but also the anterior segment, cases of corneal disease and damage are exceedingly common, and many surgeries target the cornea and the aqueous humor outflow structures for the treatment of both corneal and retinal disease. In addition to surgeries, novel pharmaceutical treatments and gene therapies are being developed and investigated for the treatment of many ocular diseases. It is the intricate interplay between these conditions, their associated outcomes, and the evolving treatment modalities that constitutes the primary emphasis of this Special Issue, titled "Advances in Ocular Surgery, Diseases and Eyesight”. This Special Issue will focus on current and future methods of surgical, pharmaceutical, or genetic therapeutic intervention in the treatment of ocular disease.

Dr. T. J. Hollingsworth
Prof. Dr. Mary E. Hoehn
Guest Editors

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Keywords

  • ocular surgery
  • ocular pharmacotherapy
  • ocular disease
  • retinal neurodegeneration
  • anterior segment disease
  • glaucoma
  • inherited retinal dystrophy
  • age-related macular degeneration
  • ocular therapies

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Published Papers (4 papers)

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Research

14 pages, 1966 KiB  
Article
Efficacy of Sutureless Scleral Fixation of One-Piece T-Shaped Haptic Intraocular Lens in Maintaining Anterior Chamber Stability During Descemet Membrane Endothelial Keratoplasty in Vitrectomized Eyes: Leak Test and Iris Diaphragm Reconstruction
by Agostino Salvatore Vaiano, Antonio Greco, Maria Marenco, Andrea Greco, Alessandro De Filippis, Fabio Garavelli, Riccardo Merli and Vito Romano
J. Clin. Med. 2024, 13(22), 6654; https://doi.org/10.3390/jcm13226654 - 6 Nov 2024
Viewed by 351
Abstract
Objectives: This study aimed to describe the outcomes of a staged procedure combining Descemet membrane endothelial keratoplasty (DMEK) and sutureless scleral fixation (SSF) of a one-piece intraocular lens (IOL) in a case series. Co-performing endothelial keratoplasty (EK) and SSF is associated with [...] Read more.
Objectives: This study aimed to describe the outcomes of a staged procedure combining Descemet membrane endothelial keratoplasty (DMEK) and sutureless scleral fixation (SSF) of a one-piece intraocular lens (IOL) in a case series. Co-performing endothelial keratoplasty (EK) and SSF is associated with intraoperative and postoperative complications such as graft deployment difficulties, air migration, graft detachment, and IOL opacification or tilt, all of which are evaluated in this study. Methods: This is a retrospective observational case series. Clinical data were collected from eight eyes of eight patients who underwent DMEK for endothelial failure and had previously received an SSF with one-piece IOL following complete vitrectomy. During DMEK surgery, an air leak test was conducted to check for air migration into the posterior chamber. If instability was detected, pupilloplasty was performed. Intraoperative and postoperative data, including DMEK graft unfolding time, were collected. Corrected Distance Visual Acuity (CDVA), refraction, endothelial cell density (ECD), central corneal thickness (CCT), intraocular pressure (IOP), and complications were recorded over a 12-month follow-up period. Results: We performed pupilloplasty in four patients (50%). The median CDVA improved from preoperative 0.85 logMAR (range: 0.60 to 1.00) at baseline to 0.18 logMAR (range: 0.10 to 0.70, p = 0.012) at 12 months. The median refraction value changed significantly from −1.00 to −0.50 at 12 months. The median percentage reduction in ECD after 12 months was 33.4% (range 30 to 40). The median baseline CCT was 689 μm (range: 651 to 701) at baseline visit and 541.5 μm (range: 525 to 591, p = 0.008) at 12 months. The median IOP was reduced significantly during follow-up. The median graft unfolding time was 6 min (5 to 9). One patient required rebubbling for partial detachment on postoperative day one. No complications occurred within 12 months. Conclusions: The effective compartmentalization of the anterior and posterior chambers in vitrectomized eyes with an SSF one-piece IOL and pupilloplasty can facilitate critical steps of DMEK surgery in complex eyes. Additionally, the air leak test could prove useful in identifying the need for iris-lens diaphragm reconstruction. Full article
(This article belongs to the Special Issue Advances in Ocular Surgery and Eyesight)
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12 pages, 1467 KiB  
Article
Comparison of Efficacy of Micropulse Laser Settings for Glaucoma Management
by Emily Y. Kim, Brooks D. Walker, Nikolas S. Hopkins, Samuel Fowler, Brian M. Jerkins, Elliott M. Kanner and Claire L. Wright
J. Clin. Med. 2024, 13(19), 5753; https://doi.org/10.3390/jcm13195753 - 27 Sep 2024
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Abstract
Objectives: This study aims to compare micropulse transscleral cyclophotocoagulation (MP-TSCPC) laser parameters and determine the optimal laser setting. Methods: A retrospective study was performed on 351 eyes from patients who underwent MP-TSCPC at four power settings (1500 mW, 2000 mW, 2250 [...] Read more.
Objectives: This study aims to compare micropulse transscleral cyclophotocoagulation (MP-TSCPC) laser parameters and determine the optimal laser setting. Methods: A retrospective study was performed on 351 eyes from patients who underwent MP-TSCPC at four power settings (1500 mW, 2000 mW, 2250 mW, and 2500 mW) from June 2018 to December 2021. The primary measurements of the efficacy of MP-TSCPC were the degree of intraocular pressure (IOP) reduction and the number of glaucoma medication reductions. The rate of hypotony was obtained to assess the safety of MP-TSCPC. Results: At 1500, 2000, and 2500 mW, the mean IOP reduction at each visit was statistically significant compared to the baseline, and at 2250 mW, the mean IOP was only significantly different at 18 months (p < 0.05). The change in the number of medications with 2000 mW has shown significance at 1 and 3 months from the baseline; with 2500 mW, statistical significance was shown at 3, 6, 12, and 18 months (p < 0.05) compared to the baseline. Mean IOP reductions (%) were greater in 2000 mW than in 1500 mW at 1 week, 1 month, and 3 months and were greater in 2500 than in 1500 mW at 1 week (p < 0.05). There was no significance for mean IOP reductions at 6, 12, and 18 months across all powers. Only two occurrences of hypotony were reported. Conclusions: MP-TSCPC at 1500 mW, 2000 mW, and 2500 mW is a safe and effective treatment for IOP reduction. MP-TSCPC at 2250 mW is safe but may show delayed effectiveness in IOP reduction. In the long term, no one specific power setting was found to be superior for IOP reduction. Full article
(This article belongs to the Special Issue Advances in Ocular Surgery and Eyesight)
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12 pages, 1818 KiB  
Article
Long-Term Surgical Outcomes of Scleral Flap versus Scleral Pocket Technique for Sutureless Intrascleral One-Piece Lens Fixation
by Paola Marolo, Paolo Caselgrandi, Michele Gaidano, Fabio Conte, Guglielmo Parisi, Enrico Borrelli, Matteo Fallico, Mario Damiano Toro, Luca Ventre, Agostino S. Vaiano and Michele Reibaldi
J. Clin. Med. 2024, 13(15), 4452; https://doi.org/10.3390/jcm13154452 - 29 Jul 2024
Viewed by 1021
Abstract
Objectives: This study compared long-term surgical outcomes of the scleral flap versus scleral pocket technique for sutureless intrascleral one-piece intraocular lens (IOL) fixation. Methods: A retrospective comparative study was conducted at a single center, involving consecutive patients undergoing sutureless intrascleral one-piece IOL [...] Read more.
Objectives: This study compared long-term surgical outcomes of the scleral flap versus scleral pocket technique for sutureless intrascleral one-piece intraocular lens (IOL) fixation. Methods: A retrospective comparative study was conducted at a single center, involving consecutive patients undergoing sutureless intrascleral one-piece IOL implantation, between January 2020 and May 2022. Eyes were divided into two groups based on the surgical technique: group 1 underwent scleral flap (n = 64), and group 2 received scleral pocket technique (n = 59). Visual acuity, refractive outcomes, and complications were assessed over a minimum 24-month follow-up period. Results: Both groups showed improvements in best-corrected visual acuity (BCVA), increasing from 0.84 ± 0.56 logMAR at baseline to 0.39 ± 0.23 logMAR (p = 0.042) at 24 months in group 1 and from 0.91 ± 0.63 logMAR at baseline to 0.45 ± 0.38 logMAR (p = 0.039) at 24 months in group 2. No significant differences in BCVA were observed between the groups at baseline (p = 0.991), 12 (p = 0.496) and 24 months (p = 0.557). Mean spherical equivalent (−0.73 ± 1.32 D in group 1 and −0.92 ± 0.99 D in group 2, p = 0.447), refractive prediction error (−0.21 ± 1.1 D in group 1 and −0.35 ± 1.8 D in group 2, p = 0.377), and surgically induced astigmatism (0.74 ± 0.89 D in group 1 and 0.85 ± 0.76 in group 2, p = 0.651) were comparable between the two groups. An IOL tilt of 5.5 ± 1.8 and 5.8 ± 2.0 degrees (p = 0.867) and an IOL decentration of 0.41 ± 0.21 mm and 0.29 ± 0.11 mm (p = 0.955) were obtained, respectively, in group 1 and group 2 at 24 months. Mean endothelial cell density remained stable at 24 months in both groups (p = 0.832 in group 1 and p = 0.443 in group 2), and it was 1747.20 ± 588.03 cells/mm2 in group 1 and 1883.71 ± 621.29 cells/mm2 in group 2 (p = 0.327) at baseline, 1545.36 ± 442.3 cells/mm2 in group 1 and 1417.44 ± 623.40 cells/mm2 in group 2 (p = 0.483) at 24 months. No cases of endophthalmitis were observed. Conclusions: The scleral pocket technique for sutureless intrascleral one-piece IOL fixation is comparable to the traditional scleral flap technique in terms of long-term visual outcomes and safety. The scleral pocket technique offers a simplified approach and a viable option even for less experienced surgeons. Full article
(This article belongs to the Special Issue Advances in Ocular Surgery and Eyesight)
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9 pages, 219 KiB  
Article
Factors Associated with Surgical Outcomes after Bilateral Lateral Rectus Recession in Children with Intermittent Exotropia
by Seung-Ahn Yang, Hee-Young Choi, Su-Jin Kim, Kwang-Eon Han and Ji-Eun Lee
J. Clin. Med. 2024, 13(3), 731; https://doi.org/10.3390/jcm13030731 - 26 Jan 2024
Viewed by 1031
Abstract
Backgroud: To analyze the factors associated with surgical outcomes after bilateral rectus recession (BLR) in children with intermittent exotropia (IXT). Methods: A retrospective study was performed on 125 patients who had all received preoperative patch treatment with a ≥1 year follow-up. The [...] Read more.
Backgroud: To analyze the factors associated with surgical outcomes after bilateral rectus recession (BLR) in children with intermittent exotropia (IXT). Methods: A retrospective study was performed on 125 patients who had all received preoperative patch treatment with a ≥1 year follow-up. The surgical outcomes were grouped as success (esodeviation ≤5 PD to exodeviation ≤10 PD) or failure (esodeviation >5 PD or exodeviation >10 PD) according to the angle of deviation at 1 year postoperatively. The patients’ magnitude of exodeviation, near and distant stereoacuity, and 3-mo patch responses were assessed. The factors associated with the surgical outcomes were determined using univariate and multivariate analyses. Results: Of the 125 patients, 102 (81.6%) and 23 (18.4%) were assigned to the success and failure groups, respectively. According to the univariate analysis, the absence of anisometropia, a smaller preoperative near exodeviation, a better near stereopsis, a smaller magnitude of deviation on day 1 postoperatively, and response to patching were significantly associated with surgical success for IXT after 1 year. In the multivariate analysis, distant esotropic deviation on day 1 postoperatively and response to patching were the factors affecting successful surgical outcomes. Conclusions: Esotropic distant deviation on day 1 postoperatively is a prognostic factor for favorable surgical outcomes. Preoperative patching could be a factor influencing surgical success in children with IXT. Full article
(This article belongs to the Special Issue Advances in Ocular Surgery and Eyesight)
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