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Related Experiment Videos

Timolol and pediatric glaucomas

C D McMahon, J Hetherington, H D Hoskins

    Ophthalmology
    |March 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Adding timolol to existing treatments lowered intraocular pressure in complex glaucoma cases. However, timolol monotherapy was ineffective for controlling glaucoma, indicating its role as an adjunctive therapy.

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    Area of Science:

    • Ophthalmology
    • Glaucoma Research
    • Pharmacology

    Background:

    • Elevated intraocular pressure (IOP) is a primary risk factor for glaucoma progression.
    • Managing complex glaucoma, including infantile and congenital forms, often requires multifaceted treatment strategies.
    • Timolol is a commonly used beta-blocker in glaucoma management.

    Purpose of the Study:

    • To evaluate the efficacy of adding timolol to existing medical regimens for complex glaucoma.
    • To assess the impact of timolol on intraocular pressure in eyes with infantile glaucoma and glaucoma associated with congenital anomalies.
    • To determine if timolol monotherapy can control intraocular pressure in these patient groups.

    Main Methods:

    • Thirty-eight eyes with complex glaucoma were treated by adding timolol to their current medications.

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  • Two subgroups were analyzed: 15 eyes with infantile glaucoma and 15 eyes with glaucoma secondary to congenital anomalies.
  • Intraocular pressure was monitored at one and three months post-treatment initiation, with attempts to reduce other glaucoma medications.

    • Main Results:

    • The infantile glaucoma group showed an average IOP reduction of 24% at one month and 22% at three months, with 6/15 eyes controlled.
    • The congenital anomaly group experienced a 30% IOP drop at one month and 12% at three months, with 5/15 eyes controlled.
    • Adverse effects were noted in 5 patients, leading to discontinuation in 2 (7%). Timolol alone did not control IOP in any eyes.

    Conclusions:

    • Adding timolol to existing glaucoma medications can reduce intraocular pressure in eyes with infantile and congenital glaucoma.
    • Timolol is effective as an adjunctive therapy but not as monotherapy for controlling intraocular pressure in these complex cases.
    • Careful monitoring for adverse effects is warranted during timolol therapy.