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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Post-vitrectomy Macular Edema: Shedding Light on Incidence and Risk Factors.

Viktor Verplaetse1,2, Elon H C van Dijk3,4, Koorosh Faridpooya1

  • 1Department of Vitreoretinal Surgery, Rotterdam Eye Hospital, Rotterdam, The Netherlands.

Ophthalmology and Therapy
|February 20, 2026
PubMed
Summary
This summary is machine-generated.

Post-vitrectomy macular edema (PVME) incidence varies widely after eye surgery. Risk factors include retinal detachment and lens removal, while macular hole surgery poses less risk.

Keywords:
Macular edemaPars plana vitrectomyPost-surgical macular edemaPost-vitrectomy macular edemaVitrectomy

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Area of Science:

  • Ophthalmology
  • Retinal Surgery
  • Macular Edema Research

Background:

  • Post-surgical macular edema is a frequent cause of delayed visual recovery after ophthalmic procedures.
  • While common after cataract surgery, post-vitrectomy macular edema (PVME) literature is less comprehensive.
  • Current research shows a broad incidence range (2.0–27.3%) due to varied surgical reasons and diagnostic methods.

Purpose of the Study:

  • To review and synthesize current literature on post-vitrectomy macular edema (PVME).
  • To identify incidence rates, risk factors, and predisposing conditions associated with PVME.
  • To highlight areas for future research to improve risk assessment and patient outcomes.

Main Methods:

  • This study is a narrative review of existing literature on post-vitrectomy macular edema.
  • It synthesizes data regarding surgical indications, patient-related factors, and surgical techniques.
  • The review analyzes reported incidence rates and diagnostic criteria for PVME.

Main Results:

  • PVME requiring treatment occurs in 2.0% to 27.3% of cases, with higher rates after surgery for retinal detachment, retained lens fragments, and epiretinal membranes.
  • Intraretinal cystic changes post-epiretinal membrane removal may be tractional remnants, not true edema.
  • Risk factors include redetachment, proliferative vitreoretinopathy, silicone oil use, extensive retinopexy, and macular involvement in retinal detachments.

Conclusions:

  • PVME incidence and severity are influenced by specific surgical indications and patient factors.
  • Procedures for macular holes, vitreous floaters, and secondary lens implantation appear to have lower PVME risk.
  • Further research is needed to refine risk assessment and reduce the clinical impact of PVME.