There are many reasons to choose Welch Allyn for your Diagnostic Set, but these are key:

Welch Allyn is the name caregivers around the world who look first for quality and reliability in eye care instruments.
Our ongoing commitment to quality and technological innovation.  You'll see it in our Halogen HPXTM lamp, cutting edge lithium ion powered instruments, and state-of-the-art Axial PointSource Optic system in the PanOptic Ophthalmoscope.  Most students want a set that can expand its capabilities as their needs change.  We make a wide variety of accessories that are compatible with our 3.5V instruments and more innovations are planned for the future.  Our warranty is the best in the industry.  Welch Allyn Diagnostic Sets are unconditionally guaranteed while you are a student or resident.