What Is Aqueous Misdirection Syndrome?

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Q:
What is aqueous misdirection syndrome?

A:
Aqueous misdirection syndrome (AMS) is characterized by high intraocular pressure and a shallow anterior chamber because of the following factors:

  • anterior rotation of the ciliary processes;
  • accumulation of aqueous within the anterior vitreous;
  • forward displacement of the iris-lens diaphragm (ILD).

It mainly occurs in eyes with narrow iridocorneal angles after procedures including:

  • intraocular surgery;
  • laser procedures;
  • administration of topical miotics.

The most effective treatment for aqueous misdirection syndrome is zonulectomy-hyaloidectomy-anterior vitrectomy.

A more conservative approach is a neodymium: YAG laser capsulotomy-hyaloidotomy, which can achieve the following effects:

  • decompressing the anterior virreous;
  • releasing the aqueous;
  • promoting backward displacement of the ILD.

Please consult your doctor for a suitable therapy based on your condition.

Keyword: aqueous misdirection syndrome.

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