| Customization: | Available |
|---|---|
| Classification: | Ophthalmic Equipment |
| Type: | Ophthalmic Equipment |
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portable autorefractor china ophthalmic equipment
Model: MCE-FD900
To make best use of this product and avoid risk of damage or injury, please carefully read this operation manual before use of the MCE-FD900 system.
Name: Handheld Vision Screener
Model: MCE-FD900
Application
This product is used for preliminary determination of adults' or children's refractive error. The result of this product is used for vision screening only. It cannot replace eye exam.
Specifications
1. Basic information
1.1. Dimensions: 200mm*80mm*270mm
1.2. Electrical safety: Battery charger (class I), main unit (internally powered)
1.3. Laser safety: Laser (class I), wavelength 850nm, power <250μW
2. Performance
| Item | Range | Interval | Tolerance | |
| Spherical (S) | Myopia Mode | -9.00D~ +2.50D | 0.25D | ±0.50D or ±20% |
| Normal Mode | -6.00D~ +8.00D | (whichever is greater) | ||
| Cylindrical(C) | -3.00D~0.00D | 0.25D | ±0.50D or ±20% | |
| (whichever is greater) | ||||
| Axis(A) | 0°~180° | 1° | ±5° | |
The working principle of this vision screener is based on Hartmann-Shack wavefront sensor. The internal light source is focused to the retina by the refractive media of the eye and reflected back to the device. The diopter of the patient is obtained through calculation of the detected signal.
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