June 24, 2003
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Health Canada rejects license application for glaucoma treatment device

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Health regulators in Canada asked for more data before considering approval of a glaucoma device. Health Canada asked Refocus Group to submit a larger sample size for its PresView device for the treatment of glaucoma and other ocular disorders, Refocus announced last week. Its initial application data was based on 24 patients.

Aaron Rifkind, MD, studied 24 patients with either primary open-angle glaucoma or ocular hypertension who underwent surgery with the PresView device. Follow-up was 2 years. Patients had a mean intraocular pressure decrease of 7.7 mm Hg overall, which was 1.1 mm Hg lower than the presurgery mean baseline value with the use of glaucoma medication.

Presbyopia was also analyzed in those patients, who experienced an overall four lines of vision improvement.

Refocus Group originally anticipated Canadian approval in the second or third quarter of this year. Refocus Group merged with Presby Corp. in March of this year and is working with CIBA Vision to commercialize PresView.