Vertex Distance Gauge only

Vertex Distance Gauge only
Product Code: SDW-271-VDG
Price: £25.00
Qty:        

This gauge is used to measure the distance between the cornea and the spectacle lens simply and easily. It can be supplied as part of our Vertex Distance Gauge Set (SGR-271-VDS) which also contains the Conversion Disc (SGR-271-VCD) allowing the calculation of the equivalent effective power at alternative distances between the cornea and the lens.