Evaluation: Skytron Aurora Four Major LED Surgical Light

March 9, 2016 | Evaluations & Guidance


  • The Skytron Aurora Four is used to provide high-quality, consistent, and shadow-free illumination for surgical teams to see into deep cavities in a patient's body.
  • An optional high-definition (HD) video camera may be mounted in the central light handle of camera-ready light heads that provides controllable views of the surgical site, which may be transmitted to video monitors around the OR.
  • Major components and features:
    • Forty-seven LEDs (five zones of 7 LEDs, plus a central ring of 12 LEDs), intended to redundantly overlap beams of light as a means of shadow dilution.
    • Maximum light illuminance intensity: approximately 160,000 lux, as measured by ECRI; there are five intensity settings from 20% to 100% illuminance.
    • High color rendering index (CRI) value of 96.
    • Two values of color temperature (4,100 and 4,500 kelvins K) for different specialties or surgeon preferences.
    • Claimed LED life of 40,000 hr.
    • Medium light head diameter of 24 in (61.0 cm), with LEDs spanning approximately the whole face of the light head. (1) A large-diameter (30 in 76.2 cm) light head is also available: the Aurora Four AUA7, which has seven zones of 7 LEDs, plus a central ring of 12 LEDs.

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