iTrace™ Manufactured by Tracy Technologies, the iTrace Combination Ray Tracing Aberrometer/Topographer provides a unique analysis that subtracts corneal from total aberrations in order to isolate the internal aberrations of the eye. Surgeons can use this information when planning surgical procedures such as refractive lensectomies, AKs, Accommodative and Multifocal IOLs and for post-op evaluations. Plus, this information may be used to recommend the best vision correction treatment. iTrace Features: Projects 256 near-infrared laser beams into the eye to measure forward aberration Provides auto-refraction, corneal topography, ray tracing aberrometry, pupillometry and auto-keratometry Compare day and night vision thanks to autorefraction with multi-zone Analysis Track changes in visual function over time   Thank you for looking at our items. You are always welcome to come by and inspect the item(s) before you bid. If you are local, we would always prefer you to come and pick up your won items. We are located at CAL-L ENTERPRISES 9751 Independence Ave, Chatsworth, CA 91311 TEL: 323-394-7124 FAX: 818-668-5064 EMAIL: cal-l at att dot net WEBSITE: cal-l dot net HOURS: Monday – Friday 9:00am – 5:00pm We are more than happy to meet with you, just give us a call to set up a time. Shipping costs ARE AN ESTIMATE ONLY!!