Welch Allyn 11720 3.5v Coaxial Ophthalmoscope Head Select Model:3.5V Coaxial Ophthalmoscope Detect corneal abrasions with the

Detect corneal abrasions with the cobalt blue filter

Remove the backing from the patch and immediately apply it to dry

As a reminder

HOW TO USE: Start using step two on the day you stop smoking or five weeks after step one

Welch Allyn 11720 3.5v Coaxial Ophthalmoscope Head Select Model:3.5V Coaxial Ophthalmoscope Detect corneal abrasions with theProduct 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 illumination for true tissue color Polarizing filter virtually eliminates corneal reflection Compatible with all existing Welch Allyn 3. 5 V power sources 18 unique aperture filter combinations for greater versatility Detect