Hand Disc Perimeter
Designed for professionals or business and industries under state of federal regulations which require certain employees to pass perimeter test.
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Hand Disc Perimeter
Designed for professionals or business and industries under state of federal regulations which require certain employees to pass perimeter test.
Hand Disc Perimeter
Designed for professionals or business and industries under state of federal regulations which require certain employees to pass perimeter test.
| Brands | Bernell USA |
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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.
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
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