Welch Allyn 11720 3.5 V Coaxial Ophthalmoscope


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SKU: 11720 Categories: ,


Welch Allyn 3.5 V Coaxial Ophthalmoscope

Product Features

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 provides light for true tissue color and long-lasting performance
  • Coaxial optics produce a shadow-free spot, easier entry into undilated pupils, and a larger field of view versus standard ophthalmoscopes
  • Detect corneal abrasions with cobalt blue filter
  • Polarizing filter virtually eliminates corneal reflection
  • 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 diopters
  • Head only – Handle sold separately

Apertures for : 3.5 V Coaxial Ophthalmoscope

Micro-Spot Aperture:
 allows quick entry into small, undilated pupils.

Small Aperture: provides excellent view of fundus through an undilated pupil.

Large Aperture: standard aperture for a dilated pupil and general examination of the eye.

Fixation Aperture: has graduated cross-hairs for measuring eccentric fixation or locating lesions.

Slit: used to determine levels of lesions and tumors.

Red-free Filter: excludes red rays from examination field for easy identification of veins, arteries and nerve fibers.

Cobalt Filter: used with fluorescein dye to view small lesions, abrasions, andforeign objects on the cornea.

Additional information


Baxter Welch Allyn


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