MSD 93-AB
MSD 93-AB RETINOSCOPY RACKS
MSD is a famous manufacturer not only for trial frame and trial lens set but also for berens prism bars and retinoscopy racks. The bars are designed in high tech laboratories and manufactured in the plant of MSD in Varese, Italy.
There are basically two racks available for retinocopy spheric power determination. One for minus concave racks and one for plus convex racks.
Both racks have wide range of power up to ±20 diopter. The racks are delivered with original case to be stored in.