

B. Place the order online.

B. Credit Card
C. Paypal in Alibaba
E. Western union
F. L/C
3. How long to wait for the order?
A. Ready stock within 24 hours
B. OEM need 2-7 working days
C. Safety delivery:special one-to-one inspection service before arranging the delivery

A. Video tutorial: including installation, operation, repairing and maintenance
B. Real Time Online Video Call at your convenience: Pre-sales and after-sales online video training
5. Warranty and after-sales service
A.12-60 months
B. After-sales service: Reply within 8 hours
the ultrasonic ranging, cross line, flashing light and sound technology and then to find out the probably
potential refractive problems.
Ideal for babies, seniors and patients with language barrier.
If doctor can not find the long-lasting refractive error and cure it properly, children would become amblyopia sadly someday or lose the best chance to treat the lazy eye and finally become the permanent amblyopia. The special model for children testing is the best way for child screening. It is the neccessory equipment for a doctor to master the refractive status of patients.





Non-contact and non-invasive | The light power is safe for eyes; There is 100cm±5cm between the instrument and the eyes. |
Low cooperation need | It do not need too much cooperation of children. It is suitable for infants and other inconvenient people. |
Automatic operation | Touch screen. |
Easy to carry | Small and light weight body and printer. Easy to carry. It is suitable for any outdoor screening. |
Accurate result | The advanced optical detection principle provides an accurate result including myopia, hyperopia, astigmatism, stabismus, pupil size vary, anisometropia, asymmetric fixation, the abnormal reflection of the light |
Low power warn | Warn there is 15 minutes left. |



