Welch Allyn 11720 Halogen Coaxial Ophthalmoscope Head

Brand: Welch Allyn


The Welch Allyn Halogen Coaxial Ophthalmoscope 11720 features Halogen HPX lamp illumination and 18 aperature/filter combos.

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The patented Welch Allyn Coaxial Vision System facilitates ophthalmoscopy by enabling easier entry into the eye, a larger field of view, and reduced glare compared to standard ophthalmoscopes.


  • Halogen HPX® lamp illumination for true tissue color
  • 18 unique aperture/filter combinations for greater versatility
  • Polarizing filter virtually eliminates corneal reflection
  • Detect corneal abrasions with the cobalt blue filter
  • Compatible with all existing Welch Allyn 3.5 V power sources
  • Look for the traditional “flat-top” design you’ve come to trust