Transzonular capsulo-hyaloidal hydroseparation with optional triamcinolone enhancement: A technique to detect or induce anterior hyaloid membrane detachment for primary posterior laser capsulotomy

J Cataract Refract Surg. 2019 Jul;45(7):903-909. doi: 10.1016/j.jcrs.2019.03.008.


Primary posterior laser capsulotomy (PPLC) requires adequate visualization and spacing of the posterior lens capsule (PLC) and anterior hyaloid membrane (AHM). After intraocular lens implantation and watertight incision hydration, the laser is redocked for optical coherence tomography reimaging. If the PLC and AHM are not imaged or interspaced adequately, transzonular capsulo-hyaloidal hydroseparation is attempted by rinsing the zonular fibers with fluid. If the PLC or AHM are still not detected or discernable, an attempt follows to mark the Berger space using diluted triamcinolone acetate. Before hydroseparation, the AHM or PLC are often invisible or variably attached. If structures cannot be defined, triamcinolone-added hydroseparation is often effective in defining the AHM and Berger space. Transzonular capsulo-hyaloidal hydroseparation with an optional triamcinolone acetate addition can initiate or complete AHM detachment and improve visibility and patency of Berger space for augmenting control and feasibility of PPLC.

Publication types

  • Technical Report
  • Video-Audio Media

MeSH terms

  • Glucocorticoids / pharmacology
  • Humans
  • Lens Implantation, Intraocular / methods*
  • Posterior Capsule of the Lens / diagnostic imaging
  • Posterior Capsule of the Lens / surgery*
  • Posterior Capsulotomy / methods*
  • Tomography, Optical Coherence
  • Triamcinolone Acetonide / pharmacology*
  • Visual Acuity*


  • Glucocorticoids
  • Triamcinolone Acetonide