Pattern microsecond laser trabeculoplasty (PMLT), first performed in Europe by Dr Davide Borroni, is a new laser treatment for ocular hypertension and open-angle glaucoma.
Developed by Danish company Norlase on its Echo laser platform, PMLT is an evolution of micropulse laser trabeculoplasty, designed to lower intraocular pressure (IOP) while minimising tissue damage and post-treatment inflammation.
The technology uses digitally guided microsecond laser pulses that align precisely with the trabecular meshwork, allowing automated spot placement, improving treatment accuracy, and reducing procedure time. According to Dr Borroni, the system’s guidance and automation help ensure complete coverage without overlapping laser spots.
In an initial patient treated in Italy, PMLT enabled discontinuation of pressure-lowering eye drops, resolving medication-related ocular irritation. The in-office procedure takes about three minutes per eye and has achieved an approximately 18% reduction in IOP at one month. Early clinical experience suggests PMLT could become an important first-line treatment option for ocular hypertension.
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