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¬Æ 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

3.5 V Coaxial Ophthalmoscope: Accessories