Visual Tester VTR-20 is applicable to ophthalmic department of hospitals and spectacle stores for precision measurement of visual functions such as myopia, hyperopia, astigmatism, visual acuity balance, phoria, stereoscopic vision and visual acuity amalgamation.
Viewlight Manual Phoropter VTR-20
Viewlight’s vision tester VTR-20 is designed for subjective refractions determination and optically measures and aligns abnormal binocular vision such as muscle balance of the eyes, binocular balance and stereo acuity.
Description
Features
Specifications
| SPHERE POWERS RANGE | +16.75D to - 19(.25D Steps) |
| CYLINDER POWERS RANGE | 360 degrees (5 degrees) |
| CROSS CYLINDER | ±0.25D, standard (±0.37D, ±0.50D) |
| ROTARY PRISM | 20 prisms each (1 prism scale graduation), Paired - 40 prisms in any base direction |
| PD ADJUSTMENT | 48-75mm (1mm Increments) |
| VERTEX DISTANCE | 13.75mm |
| SCREEN | 3.97 Inch TFT-LCD 800 x 480 |
| AUX DIALS | 10 lenses and 2 open apertures |
Video Demo
How to find us
Viewlight is a leading provider of medical practice equipment for ophthalmologists, optometrists and opticians.
8380 NW 64th St., Miami, Florida 33166
Phone: (305) 406-3915
Email: customerservice@viewlightusa.com
Phone: (305) 406-3915
Email: customerservice@viewlightusa.com
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Additional information
| Brand |
Viewlight USA |
|---|---|
| Country of Origin |
Made in China |
| FDA |
Approved |
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About Viewlight USA
Shipping and Receiving
SHIPPING & DELIVERY
Orders are shipped Monday through Friday, please contact your sell representative or customer service for exact information.
If depend on many factors , due instruments needs to be inspected and tested before shipping, please contact your sell representative or customer service for exact information.
Contact customer service immediately. Sometimes Cancellations are no longer possible as your order will already have been sent to our fulfillment center. You will have to wait until the item is delivered and then return it for a full refund.
Unfortunately, we cannot modify an order once it has been placed. We offer return policy if you'd like to return any unwanted products once they've been delivered, please contact customer service immediately.
These policies only apply within the United States. If you are not in the United States, we don’t accept any returned or cancellation.
All orders are processed within 3-7 business days. Orders are not shipped or delivered on weekends or holidays. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.
Viewlight USA Full Shipping Policies: SEE ALL
About Brand
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