Pattern Scan Laser improves Retinal Treatment Outcomes

The technology platform is based upon the use of a proprietary, semi-automated, pattern generation method employing short 532-nanometer laser pulses. This method of photocoagulation allows delivery of a predetermined pattern by scanning the placement of the laser spots and controlling the emission of the laser light. Up to five predetermined pattern types can be selected, including square arrays for panretinal photocoagulation; triple arcs for retinal tears, lattice degeneration and panretinal photocoagulation; and focal, full, and modified macular grids. The laser pulses are delivered in a rapid predetermined sequence resulting in improved precision, safety, patient comfort, and a significant reduction in treatment time compared with single-spot photocoagulation.

The fully integrated system incorporates an intuitive touch screen user interface, pattern scanner technology, an advanced optics slit lamp with a mounted micromanipulator, dual slit lamp mounted rotary power controls, proprietary PrecisionSpot laser delivery, a wheelchair accessible table, and other ergonomic features for both the physician and patient. The PASCAL photocoagulator is a product of OptiMedica (Santa Clara, CA, USA) and the winner of a gold medal at the 2007 Medical Design Excellence Awards.

Pre-clinical animal studies, as well as initial pilot studies in humans indicate that in addition to reducing treatment duration for typical patients with proliferative diabetic retinopathy, the number of sessions may also be reduced.


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