Welch Allyn Green Series 777 Wall Diagnostic System with LED

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