HEIDELBERG, Germany--(BUSINESS WIRE)--Heidelberg Engineering is introducing SPECTRALIS®, an office-based imaging device for tracking and measuring axonal change, at the 2010 meeting of the American Academy of Neurology in Toronto. The SPECTRALIS Tracking Laser Tomographer uses its on-board Nsite Axonal Analytics™ to track and measure axonal changes within the retinal nerve fiber layer (RNFL) by capturing high resolution cross-sectional images of the eye.