Endoscopic vitreoretinal surgery: Review of current applications and future trends

Lai, Frank Hiu Ping; Wong, Eva Wai Nam; Lam, Wai Ching; Lee, Thomas C.; Wong, Sui Chien; Nagiel, Aaron; Lam, Robert F.

doi:10.1016/j.survophthal.2020.11.004

Cited by 11 publications

(11 citation statements)

References 74 publications

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“…Ocular endoscopes have also continuously improved and become widely used, and gradually been applied in fields of eye surgery. It has a better effect than conventional methods, especially in special cases such as corneal opacity or surgery for a tiny foreign body which is the blind area [ 14 ].…”

Section: Discussionmentioning

confidence: 99%

Value of Ocular Endoscopy in Extraction of Intraocular Foreign Bodies of Cilia in Patients with Open Ocular Trauma

Zha

Wang

et al. 2021

Med Sci Monit

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Background The aim of this study was to analyze the value of ocular endoscopy in detecting and extracting intraocular cilia in patients with ocular trauma. Material/Methods We retrospectively analyzed data on identification and extraction of 46 intraocular cilia in 16 eyes with open-globe injury during endoscope-assisted vitrectomy. Results A total of the 16 patients with open-globe injury were operated on from September 2002 to June 2019. The cornea in 14 eyes was cloudy. Two eyes had endophthalmitis and 13 eyes had retinal detachment. A total of 46 cilia were extracted through direct observation under the ocular endoscope during vitrectomy 1 to 68 weeks after injury. The number of cilia per eye varied from 1 to 10. Most of the cilia were located in or near the wound. Postoperative IOP was normal in 14 patients. The follow-up after surgery showed hypotony in only 2 eyes (7.2 and 5.8 mmHg, respectively). Compared with preoperative intraocular pressure, there was a statistically significant difference. The postoperative visual acuity improved in 12 eyes and remained unchanged in 3 eyes. The vision after surgery was significantly improved compared with that before surgery ( P =0.006). The intraocular pressure increased significantly after operation ( P <0.001). And no glaucoma or retinal detachment or endophthalmitis was found. No eyes needed additional vitreous surgery. Conclusions Ocular endoscopy allows surgeons to detect intraocular cilia that were no undetected by CT or B-ultrasound preoperatively in time and to extract them effectively. It improves performance of vitrectomy in the presence of a cloudy cornea and also prevents exogenous endophthalmitis. The vision of patients with ocular trauma was improved.

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Section: Discussionmentioning

confidence: 99%

Value of Ocular Endoscopy in Extraction of Intraocular Foreign Bodies of Cilia in Patients with Open Ocular Trauma

Zha

Wang

et al. 2021

Med Sci Monit

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“…18 Artificial intelligence and augmented reality technologies such as LIDAR could be incorporated into the high dynamic range cameras for 3D mapping of intraocular architecture, which can then be projected onto the 3D HUD monitor. 6 This could further assist the surgeon in orientation and depth perception 23 and could enable easy targeting of intraocular tissue and enhancement of specific structures. 18…”

Section: Limitations Of 3d Hud-based Cataract Surgerymentioning

confidence: 99%

Three-Dimensional Heads-up Display in Cataract Surgery: A Review

Muecke

Casson

2022

Asia-Pacific Journal of Ophthalmology

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Intraocular visualization in cataract surgery is currently achieved using the ophthalmic surgical microscope (OSM). Three-dimensional (3D) heads-up display is a burgeoning intraocular visualization technique for cataract surgery, which projects the surgical view to a 3D monitor. A number of theoretical advantages of this system over the OSM have been proposed. 3D visualization is reported to provide improved depth perception and the heads-up display promotes a more ergonomic surgical position while providing an enhanced view for the entire surgical team. The modern OSMs, however, already allow for safe and efficient cataract surgery, and 3D heads-up display visualization is limited by a steep learning curve. We critically review the literature around 3D heads-up display cataract surgery and compare its safety profile to traditional visualization techniques.

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“…Endoscopy is a useful adjunct to surgical microscope ophthalmoscopy [ 1 , 2 ] because it can provide non-stereoscopic, ultrahigh-resolution, intraocular images on a video monitor. Surgical microscopes fail to present details of vitreoretinal tissues with disordered anterior segments or optical aberrations.…”

Section: Introductionmentioning

confidence: 99%

High-Resolution Ex-Vivo Imaging of Retina with a Laptop-Based Portable Endoscope

Jin

Wang

et al. 2022

Journal of Ophthalmology

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Purpose. Ophthalmic endoscopy is useful in vitreoretinal surgery with opaque anterior segments or anatomically challenging structures. However, standard ophthalmic endoscopy devices are usually large and costly. Thus, the development of a portable endoscope is necessary. Methods. The portable endoscope consisted of a probe, an illumination system, a high-resolution camera module, and a universal serial bus (USB). It was connected to a laptop and applied for intraocular imaging of porcine eyes in vitro. Basic parameters and pictures of the same tissue target were compared with those of the standard Endo Optiks E4 system. Results. The retinal images were displayed on the laptop screen, which clearly showed the overall appearance of the central and peripheral retina, and the details of the retinal vasculature and ciliary body. Compared with a standard endoscope, our portable endoscope is smaller and more affordable. It can be taken anywhere for intraocular imaging and vitreoretinal surgery. Conclusion. A laptop-based portable endoscope is a promising device in vitreoretinal surgery. It provides high-resolution images of intraocular tissues that should make a noticeable difference in intraocular surgery with disordered anterior segments. With its portability and high-resolution imaging, it may promote the application of endoscopes in ophthalmology.

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Endoscopic vitreoretinal surgery: Review of current applications and future trends

Cited by 11 publications

References 74 publications

Value of Ocular Endoscopy in Extraction of Intraocular Foreign Bodies of Cilia in Patients with Open Ocular Trauma

Value of Ocular Endoscopy in Extraction of Intraocular Foreign Bodies of Cilia in Patients with Open Ocular Trauma

Three-Dimensional Heads-up Display in Cataract Surgery: A Review

High-Resolution Ex-Vivo Imaging of Retina with a Laptop-Based Portable Endoscope

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