Full arm 25"

One-second readings with 9-reading memory

(DD65 V2 Circumaural Headset) The MA 27e's dependability has made it a favorite of hearing professionals for years

It also explains the birthing process

Add functionality to your Welch Allyn Spot Vision Screener with this adjustable neck strap

20 ft: TZO (9 Line) Chart new-and-top-selling Full arm 25"(9" x 14") Snellen optotype chart for vision testing at 20 feet. Features two smaller groups 20 25 to 20 12. 5 for repetitive eye testing. May be wall mounted or used with illuminated cabinets (66003, 66004, 66016, 66090). Traditional Snellen optotypes have changed little throughout the years, are great for school vision screenings, and are used regularly today. These optotypes feature strong serifs in the letters C, D, E, F, L, O, P, T.