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Vertical Prism Bar

Vertical Prism Bar
Product Code: SGR-958-BV
Price: £259.65 £129.82
Qty:        

This prism bar has the range 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 25, and 30D. 

 

This instrument is ideal for measuring fusional reserves - which may help in the diagnosis of binocular vision problems - as well as for measuring phorias and squints.