Current concepts in the treatment of vitreous block, also known as aqueous misdirection

Kevin Kaplowitz, Edward Yung, Rachel Flynn, James C. Tsai

Research output: Contribution to journalReview articlepeer-review

39 Scopus citations


Vitreous block (VB), a rare secondary angle-closure caused by anterior rotation of the ciliary body, occurs in a variety of settings, but most frequently after glaucoma filtering surgery. The etiology remains unclear, but choroidal expansion and anterior vitreous abnormalities have been proposed. In the past, treatment of VB has yielded high rates of failure and recurrence. Advancements in surgical techniques, however, have led to improved visual outcomes. We review the history of this condition and present a stepwise approach to its diagnosis and treatment using modern imaging modalities and surgical techniques.

Original languageEnglish
Pages (from-to)229-241
Number of pages13
JournalSurvey of Ophthalmology
Issue number3
StatePublished - 1 May 2015
Externally publishedYes


  • Aqueous misdirection
  • Ciliolenticular block
  • Ciliovitreal block
  • Malignant glaucoma
  • Secondary angle-closure glaucoma
  • Vitreous block


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