Abstract
Vitreous is not removed “just because it’s there,” even though it has many beneficial effects. The rationale for performing vitrectomy (“why”) is just as important as its techniques (“what,” “how”), and this is true in each case. Even if this would appear obvious, the amount of gel to be removed is not self-evident, and this is especially true regarding PVD and the anterior vitreous. It is not always easy to determine how much vitreous is (still) present; visual aids are thus not only useful but also necessary to avoid leaving vitreous behind. “Not enough vitrectomy” is a common cause of postoperative complications – as opposed to “too much vitrectomy,” which in itself is never a source of complications. The sequence of gel removal (where to start? how to proceed?) is another area of contention.
Published Version
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