Endoscopy-assisted ocular surgery is a relatively old technique that is increasingly being recognized for its application in cases of vitreoretinal disease. This technique is especially useful when both the vitreous and retina are difficult to access because of media opacity, a small pupil, or a microcornea. In this context, the anterior vitreous is often difficult to dissect because of its complex pathological changes. This article reviews the common anatomical features and pathologies that are observed in the anterior vitreous, as well as the applications and indications of endoscopy-assisted vitrectomy in the anterior vitreous.
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http://dx.doi.org/10.18240/ijo.2018.03.23 | DOI Listing |
Cureus
December 2024
Ophthalmology and Visual Science, Chiba University Graduate School of Medicine, Chiba, JPN.
Objectives This study aimed to identify the etiology and the direction of dislocation of the natural crystalline lens or intraocular lens (IOL) in IOL intrascleral fixation surgery and to determine the change in intraocular pressure (IOP) after surgery. Methods We retrospectively investigated the diagnosis, direction of lens and IOL dislocation, and IOP before and after surgery (preoperatively and one day, one week, and one month postoperatively) in 236 eyes from 228 patients who underwent IOL intrascleral fixation at Chiba University Hospital between February 2015 and September 2020. Results IOL intrascleral fixation was performed in 48 (20.
View Article and Find Full Text PDFGenes (Basel)
December 2024
Department of Ophthalmology, Southend University Hospital, Southend-on-Sea SS0 0RY, UK.
The zonular fibres are formed primarily of fibrillin-1, a large extracellular matrix (ECM) glycoprotein, and also contain other constituents such as LTBP-2, ADAMTSL6, MFAP-2 and EMILIN-1, amongst others. They are critical for sight, holding the crystalline lens in place and being necessary for accommodation. Zonulopathies refer to conditions in which there is a lack or disruption of zonular support to the lens and may clinically be manifested as ectopia lens (EL)-defined as subluxation of the lens outside of the pupillary plane or frank displacement (dislocation) into the vitreous or anterior segment.
View Article and Find Full Text PDFOcul Immunol Inflamm
January 2025
Eye Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates.
Purpose: To report a case of biopsy-proven sarcoidosis in a patient with panuveitis and a positive interferon-gamma release assay (IGRA) from a non-endemic tuberculosis (TB) country.
Methods: Case report.
Results: A 26-year-old male from the United Arab Emirates (UAE) presented with granulomatous panuveitis characterized by mutton-fat keratic precipitates, anterior chamber and vitreous cells, and retinal vasculitis.
BMC Ophthalmol
January 2025
Poostchi Ophthalmology Research Center, Department of Ophthalmology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
Background: One of the significant challenges that can arise during cataract surgery is the occurrence of posterior capsule rupture (PCR) and vitreous loss. It may result in different complications including cystoid macular edema, endophthalmitis, glaucoma, and considerably retinal detachment which consequently contributes to poor functional outcomes.
Methods: This study was a prospective double blinded randomized clinical trial including 42 patients with previous complicated cataract surgery including posterior capsular rupture and consequently vitreous loss that anterior vitrectomy was done for them.
Retin Cases Brief Rep
January 2025
The Retina Service of Wills Eye Hospital, Wills Eye Physicians-Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, PA.
Purpose: To illustrate a technique for the removal of subretinal gas via pars plana vitrectomy (PPV) with air-fluid exchange and simultaneous manipulation with scleral depression.
Methods: PPV to remove subretinal gas causing persistent macula-off retinal detachment was performed in one eye, and the results were evaluated in this case report. Ports were carefully placed to avoid puncturing the retina, which was significantly displaced anteriorly past the ora serrata due to the buoyancy of the subretinal gas with the patient in a supine position.
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