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Top-Ten Latin American Glaucoma Society Meeting

February 10, 2002, Aruba

Daniel Grigera

A relaxed, high-spirited LAGS meeting took place in beautiful Aruba. Eighteen papers were presented. Special foreign guests, Robert Feldman, Erik Greve, Clive Migdal, and Paul Palmberg moderated at some of the sessions. Robert Weinreb delivered the LAGS Conference this year. He lectured on "Reflections from the nerve fiber layer". During the Meeting, Bob was elected Honorary Member of LAGS.

Aruba's Top-Ten were:

  • A family with open-angle glaucoma cosegregating with markers from 2cen-q13, location of the glaucoma region (locus) GLC1B, has been identified in Peru.
  • Type-C natriuretic peptide (CNP) concentration in rabbit aqueous humor does not have important fluctuation over circadian time.
  • Nerve fiber layer measurements with the GDx may be influenced by drugs affecting pupillary diameter and ciliary muscle tone, but not by the status of room light.
  • The ability of the GDx to detect localized NFL defects is better when using sector analysis or a combination of Fourier's coefficients than when using the parameters provided by the device's software.
  • UBM findings in Sturge-Weber syndrome: intrascleral vessels and ciliary body angioma are common to glaucomatous and non-glaucomatous eyes. On the other hand, small supraciliary effusions are only seen, and are frequently seen (in around 90% of cases), in eyes with glaucoma.
  • Extensive trabecular impregnation in silicone oil-filled eyes, as detected by UBM, is related to a higher extent to the long-standing presence of the substance than to the number of emulsified silicone oil particles in the anterior chamber.
  • Bimatoprost provides a slightly stronger IOP reduction than travoprost. Redness appears more frequently with travoprost than with bimatoprost.
  • In an experimental model of perfusion of Baerveldt implants in rabbits, an inverse correlation was found between perfusion and capsule thickness.
  • Small incision trabeculectomy avoiding Tenon's capsule is safe and effective for achieving an IOP of < 16 mmHg at two years.
  • The use of tenonectomy and mitomycin C 1 mg/ml as adjuncts to the implantation of a special high-pressure Ahmed valve in neovascular glaucoma tends to reduce the hypertensive phase of the postoperative period (multicenter comparative study).

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