United States
Rightway Brand NV-100 Near Vision Chart
The NV-100 near vision tester enables a complete refractive and binocular vision investigation to be carried out with the head and eyes in their normal posture at any working distance.
The refractive tests include:
1. Measurement of visual acuity using Snallen letter and illiterate E-chart,and Times Roman reading types.
2. Accurate determination of presbyopic additions and other near corrections.
3. Near vision astigmatism tests.
4. Amplitude of accommodation including monocular measurements under binocular conditions.
The Binocular balance tests include:
1. Fixation disparity test for uncompensated heterophoria motor eye dominance.Accommodation-convergence relationship.
2. Quantitative evaluation of foveal suppression in heterophoria patients.
3. Near point of convergence.
4. Targets for subjective cover tests for heterophoria and harmonious ARC.
5. A centimeter ruler for measuring working and testing distance is included.
6. The chart can be illuminated individually by means of an infra red remote controller
Specifications
Model | NV-100 |
Test Distance | 36cm |
Distant Control | 60cm |
Size | 220(H)×210(W)×42(D)mm |
Weight | 780g |
Power Supply | LR6 AA/1.5V×3 |
Processing time
According your order list. we will supply delivery time .
Commonly is 5-7 work days after we confirm payment
Shipping time
By Express : 3-7 days . Door to door service
By Air : 3-7 days . (the goods arrival at your local air ports
By sea : 30-40 days (the goods arrival at your local sea ports )
PS : by air or by sea, if you need door to door service, please tell us . we will help you checking the extra door to door cost.
How many months warranty do you provide ?
one year
What should I do if the machine have question ?
For ensuring all the items are in good quality, we will test all products before the packages were sent out. Once the machine have some question, please don't worry. kindly send us some images of the situation , Video and machine series, and explain the question in where . we will supply solution to you deal soon.
What should I do if the spare parts is broken in Warranty ?
If in Warranty, some spare parts broken in the Use. kindly supply picture or video , and machine series number .
We will send the spare parts by express to you soon.. and we bear express cost .
Please enter your target price
Please provide a quantity
United States
Please provide your name
Please enter your email adress
Enter a valid email address
Please enter the phone number
Please enter the inquiry information