Welch Allyn 3.5V Ophthalmoscope - 11720L

Makes refractions easier than ever by producing one of the brightest, sharpest, and cleanest streaks available.

• Long-lasting LED illumination
• 18 unique aperture/filter combinations for greater versatility
• Polarizing filter virtually eliminates corneal reflection
• Detect corneal abrasions with the cobalt blue filter
• Compatible with all existing Welch Allyn 3.5 V power sources