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The Vision Screener EVS-1800 is a hand held auto refractometer designed for clinicians to quickly detect vision abnormalities on patients from 6-month old to adults. The vision screening machine can screen both eyes at once from a distance of 1 meter. Once the pupils are in focus, the device will start to calculate automatically and deliver results within 1 second. The touch screen allows users to operate conveniently like using a smartphone. Rapid detection of the vision screening machine can effectively reduce the pressure of patients and shorten the examination time, clinicians can easily scan children or uncooperative patients.
| Measuring Mode | Binocular / Monocular |
| Measuring Time | 1s |
| Automated Distance Sensing | 1000mm±50mm |
| SPH | Range：-9D~+7D Resolution：0.25D/0.01D Accuracy：±0.5D |
| CYL | Range：0D~3D Resolution：0.25D/0.01D Accuracy：±0.5D |
| Axis | Range：0~180° Resolution：1° Accuracy：±5° |
| Pupil Size | Range：4.0~9.0mm Accuracy：±0.1mm |
| Pupil Distance | Range：30~80mm Accuracy：±1mm |
| Fixation Target | Sound and flashing light |
| Working Time | 5 hours |
| Data Transfer | WIFI |
| Screen | 4.3” full LCD touch screen |
| Charging Port | USB |
| Power Supply | 18650 Li-lion battery×2 , Voltage：3.7V , Current≥ 3400mAh |
| Targeted Patient | from 6-months infant to adults |
| Weight | 800g |
| Power Adaptor | Power Supply：~100-240V，50/60Hz，35VA Output：5V，2A |
As a portable hand held auto refractometer, as well as the children auto refractometer, vision screener EVS-1800 can meet the detection of different age groups, and make the examination process more simple and convenient. Find a vision screener that satisfies your must-haves.
Our vision screener, EVS-1800, is suitable to use in different places. Doctors can use this versatile device to screen and detect a wide range of conditions, which including the following places:
• Myopia (nearsightedness)
• Anisometropia (unequal refractive power)
• Hyperopia (farsightedness)
• Strabismus (eye misalignment)
• Astigmatism (blurred vision)
• Anisocoria (unequal pupil size)
As we have introduced, the Vision Screener EVS-1800 delivers clear and useful results in 1 second. And the results are objective and easy to understand. The device is easier to detect irregularities with fast and thorough results and then recommend the most suitable treatment option to you. With the help of a patient management system, the doctor will easily get clinical manage patient records, images, and data collected by the vision screener. And finally, the test results can be printed quickly via the connection of Wi-Fi or Bluetooth.
The vision screen you choose should have clear and useful examination results. High accuracy and fast operation do not mean much if examination results are unclear or useless. You can't spot irregularities and recommend an adequate treatment approach to your patient by unclear results. So, it is essential to choose a vision screener that yields useful, clear, accurate, and informative results.
All in all, our vision screener EVS-1800, which is regarded as the best assistant to doctors, is your best choice. We are constantly dedicated to providing advanced and easy-to-use devices to satisfy our customers' special needs. With the ability of rapid detection, vision screener EVS-1800 is your trustworthy partner to enhance your working efficiency.
