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[Posterior chamber lenses and glaucoma].

H Bleckmann

    Klinische Monatsblatter Fur Augenheilkunde
    |September 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Extracapsular cataract extraction with posterior chamber lens implantation effectively lowered intraocular pressure and reduced medication dependency in most glaucoma patients. Some patients with prior fistulizing procedures showed no significant pressure changes.

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    Area of Science:

    • Ophthalmology
    • Glaucoma Research
    • Cataract Surgery

    Context:

    • Glaucoma management often requires addressing intraocular pressure (IOP) alongside cataract progression.
    • Cataract surgery, specifically extracapsular cataract extraction (ECCE) with posterior chamber lens (PCL) implantation, is a common procedure.
    • The impact of different ECCE techniques on IOP in glaucomatous eyes requires further investigation.

    Purpose:

    • To evaluate the effect of extracapsular cataract extraction with posterior chamber lens implantation on intraocular pressure in eyes with glaucoma.
    • To compare the outcomes of various ECCE techniques, including KPE, standard ECCE, and ECCE with iridotomy/suture, on IOP control.
    • To assess the reduction in glaucoma medication dependency post-surgery.

    Summary:

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  • A study followed 100 glaucomatous eyes after extracapsular cataract extraction (ECCE) with posterior chamber lens (PCL) implantation.
  • Various ECCE techniques were used: KPE (33 eyes), ECCE (41 eyes), ECCE with iridotomy and iris suture (15 eyes), and ECCE with iridotomy and iris suture after fistulizing procedures.
  • At approximately 1.5 years post-surgery, a 2-3 mm Hg average decrease in IOP was observed, with a reduction in drug-dependent eyes to 30% pre-surgery levels.
  • Patients undergoing ECCE with iridoplasty after fistulizing procedures showed a slight, non-significant IOP increase and maintained pre-surgery medication dependency.

    • Impact:

    • Extracapsular cataract extraction with posterior chamber lens implantation demonstrates a beneficial effect on lowering intraocular pressure and reducing medication needs in most glaucoma patients.
    • Specific surgical modifications, like iridoplasty post-fistulizing procedures, may influence IOP outcomes differently, warranting careful patient selection.
    • These findings support the consideration of cataract surgery as an adjunct therapy for managing intraocular pressure in co-existing glaucoma and cataracts.