3nethra classic

The 3nethra classic is a compact, portable, and easy-to-use non-mydriatic digital imaging device. It is designed to acquire, display, store, and transmit images of the posterior and anterior surfaces of the human eye.

Intended Use: The 3nethra is a non-mydriatic device for imaging the posterior and anterior surfaces of the human eye. It assists clinicians in the evaluation, diagnosis, and documentation of visual health.



3nethra classic features
Posterior / Anterior Segment Imaging
  • Non-mydriatic retina images with 40 degrees FOV
  • Peripheral imaging using external fixation
  • Surface imaging of anterior segment
  • Low Power LED light source for image capture
  • Focus guidance for optimal image capture
Report Generation
  • Automatic and manual selection of images for report generation
  • Customizable report templates
  • Single-click print configuration
  • Handy tool for better patient consulting
retinal fundus photography
Patient Record
  • Unique medical record number
  • Access to historical patient data
  • Image storage and retrieval

Technical Specifications


Field of View

40 degrees

Optical Resolution

8-14 microns

Image Sensor

3 Megapixel


Universal Serial Bus (USB) 2.0


420 (L) x 340 (W) x 522 (H) mm

Total Weight

11.3 kgs

Power Consumption

5-10 W

Power Supply

AC 100-240V, 50/60 Hz( for DC power adapter 5V/4A )

Minimum System Requirements

Windows 10 pro based desktop/ Laptop with min of 4 GB RAM, 2.2GHz CPU.
(Forus recommends to use a CE marked laptop or desktop)

Product Brochure

3nethra_classic_brochure – Mar 30 2016 (2)