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    Enhanced technology measures both anterior eye segment, axial length

    Newly approved device also includes IOL calculation software

    Take-home message: By adding optical biometry to the anterior segment tomography features of the Pentacam HR, a new unit has the capabilities of two devices in one.

    Wetzlar, Germany—Surgeons looking to enhance their anterior segment tomography technology will find that a new device (Pentacam AXL, Oculus), which recently received 510(k) clearance from the FDA, provides accurate axial length and anterior eye segment measurements, as well as an IOL power calculator.

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    The Scheimpflug imaging system in the unit provides information on the cornea and allows inclusion of data on posterior astigmatism in IOL calculations, said Prof. Thomas Kohnen, MD, chairman of the ophthalmology department, the Goethe-University, Frankfurt. “The addition of partial coherence interferometry, used to measure axial length, makes great sense because you have an all-in-one machine that can do one measurement.”

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    “Doctors will be able to find the software that they know from the Pentacam HR in the Pentacam AXL, such as the Fast Screening Report and the Cataract Pre-Op Display,” said Sebastian Massling, business manager, product management and application, Oculus. “On top of that is the axial length measurement and our own IOL power calculator so that doctors can calculate IOLs for normal and for treated eyes. The Pentacam AXL is two devices in one.”

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    “We know from many studies that posterior corneal curvature is important, and this is added to an axial length measurement, so in the long run we get more information,” Dr. Kohnen said.

    However, the clinical relevance of the additional data will only be known following further study, he added.

    “We have a tomographer with axial length measurement. That by itself is already a big step forward,” Dr. Kohnen said.

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