Welch Allyn

Welch Allyn 777 Green Series Wall Diagnostic System


A reliable diagnostic solution that delivers accurate results whilst providing energy efficiency and cost savings.

  • Automatic on/off, saves time and energy
  • Improved design, ideal for smaller clinics
  • Can be roll stand mounted
  • Also available with a variety of diagnostic heads


  • 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.
  • Sealed optics keep out dust and dirt
  • 18 unique aperture/filter combinations for greater versatility
  • Red-free filter may be used with any aperture
  • 28 focusing lenses with a range of -25 to +40 dioptres
  • Filters: Cross-Linear Polarizing, Red-Free, Cobalt Blue


  • LED lamps provide true tissue colour and long-lasting performance
  • Fibre optics project cool light to the distal tip with no reflections or obstructions for superior views of the tympanic membrane
  • Wide-angle viewing lens allows for instrumentation under magnification
  • Sealed system for pneumatic otoscopy and accurate diagnosis of otitis media