An observational study in Vitreous Detachment and Cataract (Post-operative Cataract Surgery Follow-up), sponsored by University of Trieste. Recruiting at 1 site in France. Open to participants aged 50 Years and older. Per ClinicalTrials.gov, last updated 2026-09-14.
Sponsored by University of Trieste · Observational
This study aims to evaluate changes in vitreous structure and the vitreoretinal interface following cataract surgery using spectral-domain optical coherence tomography (OCT). Patients undergoing cataract surgery will undergo standardized OCT imaging before and after surgery. Preoperative and postoperative images will be compared to identify and characterize qualitative and quantitative changes in vitreous morphology, with particular attention to the posterior vitreous and its relationship with the retinal surface.
Cataract surgery may induce anatomical and biomechanical changes within the vitreous body and at the vitreoretinal interface. However, the extent and characteristics of these modifications remain incompletely defined, particularly when assessed using high-resolution optical coherence tomography (OCT).
The aim of this study is to investigate structural changes in the vitreous and vitreoretinal interface occurring after cataract surgery through a standardized preoperative and postoperative spectral-domain OCT imaging protocol.
Patients with cataract scheduled for surgery will be considered for inclusion. Eligible participants must have OCT images of sufficient quality for reliable assessment and no evidence of posterior vitreous detachment (PVD) at baseline. Both preoperative and postoperative OCT imaging must be available for comparative analysis.
Standardized OCT acquisition will include the 18 Line R64 and AS Star 18 Line R16 imaging protocols using the Dream OCT platform. These scans will be used to assess the posterior vitreous, its relationship with the retinal surface, and any postoperative changes in vitreous morphology or vitreoretinal interface configuration.
Preoperative and postoperative images will be compared both qualitatively and quantitatively. The analysis will focus on identifying changes in the visibility, configuration, position, and attachment of the posterior vitreous structures, as well as any modifications of the vitreoretinal interface occurring following cataract surgery.
Patients will be excluded in the presence of factors that may interfere with accurate vitreous assessment or independently alter vitreoretinal anatomy. These include advanced cataract significantly compromising OCT image quality, pre-existing posterior vitreous detachment, previous vitreous hemorrhage, previous vitreoretinal surgery, prior intravitreal injections, retinal diseases affecting evaluation of the vitreoretinal interface, pathologic high myopia, and a history of ocular trauma or uveitis.
The primary objective is to quantitatively and qualitatively characterize postoperative changes in vitreous morphology and vitreoretinal interface features after cataract surgery. The study is intended to improve understanding of the early structural effects of cataract surgery on the vitreous and to determine whether OCT imaging can reliably document these postoperative modifications.
23 studies on the registry are indexed under Vitreous Detachment; 4 are open to participants now.
Browse Vitreous Detachment studies →University of Trieste is the lead sponsor of 39 studies on the registry; 8 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Patients scheduled for cataract surgery without posterior vitreous detachment
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
Presence of posterior vitreous detachment (PVD)
Patients scheduled for cataract surgery without posterior vitreous detachment
Procedure: cataract surgery
standard cataracte surgery
Number of Participants With Postoperative Changes in Vitreous Morphology or Vitreoretinal Interface Configuration
Preoperative and postoperative OCT images will be compared to identify participants showing structural changes in the posterior vitreous or vitreoretinal interface, including changes in posterior hyaloid position, vitreoretinal attachment status, and the development of partial or complete posterior vitreous detachment (PVD). Results will be reported as the number and proportion of participants presenting these postoperative changes.
Time frame: 4 weeks
Plan to share: Undecided — Individual participant data are not planned to be publicly shared. However, fully anonymized data may be considered for sharing with qualified researchers upon reasonable request, subject to applicable ethical, institutional, and data protection requirements.
No publications or documents are linked to this record.
Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.
No contact was published for this record. The registry link below has the sponsor’s details.
Get an email when the registry record changes — status, dates, results — or when someone posts here.
Sign in to followQuestions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.
Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.
Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.
University of Trieste