Bar Reader Low Vision Aid.
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Prism, Vergence Facility Prism, Vision Therapy
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These vergence prisms quickly screen for binocular vision. Use these to get the patient to cycle between the two prisms up to 15 cycles per minute. Use at 16″ (40 cm) with a 20/30 near point line. Prisms are 12D base-out and 3D base-in and 1.5″ high (38mm).
The Vergence Facility Prism is available in :
Mounted to a stainless steel holder
SKU: 477700 -
Frame with 360° Compass, Prism, Vision Therapy
38mm Yoked Prism Frame with 360 Degree Compass and Adjustable Nose Piece
Frame with 360° Compass, Prism, Vision Therapy38mm Yoked Prism Frame with 360 Degree Compass and Adjustable Nose Piece
These Yoked Prism Frames come with an elastic string and lens sizes: 38 mm for pediatrics . This frame also come with a soft adjustable nose piece. Large thumbscrews are on each side so that each prism can be secured.
SKU: 608700
