the power of the working lens is subtracted from the total lens

What are the spatial frequencies tested

The narrow and spacious cabinet provides lots of storage for your eye instruments as well as the trial lens set

Seat to top of he back: 14"

What makes this cabinet ideal for pediatric offices

Midmark Supply Assistant Storage Unit Style:Certified the power of the workingMidmark Supply Assistant for Ritter 222 and Ritter 223 Provides extra storage space for bulky exam supplies such as drapes and gowns, keeping them within easy reach. This product may not be compatible with all Ritter Midmark power tables. Please make sure it fits your table prior to purchase.