Welch Allyn 3.5V Coaxial Ophthalmoscope Head (11720)

Coaxial Ophthalmoscope 3.5V, Head Only (11720)

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


  • The Halogen HPX™ lamp provides light output for true tissue colour and consistent, long-lasting illumination
  • The coaxial optics produce a shadow-free spotlight, easier entry into undilated pupils and a larger field of view versus standard ophthalmoscopes
  • Detect corneal abrasions with the cobalt blue filter
  • The polarising filter virtually eliminates corneal reflection
  • The sealed optics keep out dust and dirt
  • 18 unique aperture/filter combinations for greater versatility
  • The red-free filter may be used with any aperture
  • 28 focusing lenses with a range of -25 to +40 dioptres.



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