Welch Allyn 3.5v. LED Coaxial Ophthalmoscope Head (11720-L)

 Available with Sure colour LED lamp or with halogen HPX lamp
 18 unique aperture/filter combinations for greater versatility
 Polarizing filter virtually eliminates corneal reflextion
 Detect corneal abrasions with the cobalt blue filter
 Compatible with all Welch Allyn power source