For demanding research applications that require both binocular visual stimulation and simultaneous eye monitoring/tracking, the RE-4601 combines with the SV-7021 fiber optic glasses system to provide an elegantly reliable solution.

The RE-4601 is extraordinarily simple because it is completely integrated into the SV-7021 fiber optic glasses. There are no adjustments to be made; once the patient can see the image in the glasses, an eye image is available, and eye tracking can start immediately.

The RE-4601 is safe, because all components inside the bore are glass or plastic. And because there are no electrical parts inside the bore, you never have to worry about noise or artifacts. Any magnet. Any time.

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  • System Overview
  • Technical Specifications


For binocular visual presentations, the RE-4601 eye monitoring systems combine with the SV-7021 fiber optic glasses to give unparalleled, simultaneous visual presentation and eye monitoring. The extremely compact design of the fiber optic glasses and eye monitor make this system a natural choice for the limited space in demanding research applications. The RE-4601 is made of MR-inert glass and plastic construction, so field strength will never be an issue.

The tracker interface is typically located at the MR console. The interface supplies power for the system, has adjustments for IR level, has a video monitor, and provides video outputs for eye tracking systems. The tracker interface is connected to the camera interface by a DC power cable (filtered at the pen panel), and by a fiber optic cable that relays the video image from the camera interface. The system can also be configured as a RE-4621 for monitoring/tracking both eyes simultaneously.


 

Physical RE-4601 / 4621

Tracker Interface, 5.5” H x 9.75” W x 11.75 D”, 14 lbs.
Camera interface (magnetically inert), 4.3” H (incl. handle) x 6.6” W x 10.5” D, 7 lbs.
Illumination / Imaging (integrated into SV-7021 fiber optic glasses) (4); IR illumination fibers, 12’, 1 or 2 (4601/4621) image guide(s), 12’; IR fibers and image guides, plastic and glass construction.

Electrical
Video output (tracker interface)
-- NTSC (60Hz)
Visual/Optical
-- PAL (50Hz)
-- IR illumination: 890nm
-- IR level: <1 mW/cm2 (at eyepiece).
Electrical
-- 110VAC / 50-60HZ, 2.5 amps; 220VAC / 50Hz, 1.5A.
Cabling
-- Power/Signal Cable, 4 shielded twisted pairs, 200’ (max); Fiber Optic Camera Cable (ST connectors), 200’ (max); 3--- wire grounded cord, 6 feet.
Colors
-- Housings: pearl white, charcoal gray accents.

  • Specifications subject to change without notice.
 

System Diagrams go here...

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