Horizontal and vertical prism bar set in lockable aluminium case. These optical prisms have been manufactured with great accuracy and are used for treating symptomatic binocular vision disorders and diplopia.

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• Horizontal Prism Bar 
  1, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 25, 30, 35 and 40
   

• Vertical Prisms Bar
  1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20 and 25