Meaning of vitrectomy

vit•rec•to•my

Pronunciation: (vi-trek'tu-mē), [key]
— pl. -mies.
  1. the microsurgical procedure of removing the vitreous humor and replacing it with saline solution, performed to improve vision that has been impaired by opacities.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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