Alteration of trabecular aqueous flow after cataract extraction.

S. Melamed*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Two human eyes that had undergone intracapsular cataract extraction were perfused with cationized ferritin. In both eyes segmental areas of trabecular meshwork collapse were demonstrated superiorly, adjacent to the cataract incision. Electron-microscopic study of these regions disclosed no labeling of the trabecular beams and trabecular spaces, suggesting impermeability to aqueous flow. In other regions, a diffuse labeling with cationized ferritin was demonstrated throughout the trabecular spaces, indicating aqueous flowthrough. Use of corneoscleral sutures may cause trabecular collapse and impermeability. When the collapse is extensive, subsequent increase in intraocular pressure may follow.

Original languageEnglish
Pages (from-to)878-881
Number of pages4
JournalOphthalmic Surgery
Issue number12
StatePublished - Dec 1987
Externally publishedYes


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