1. Clear Data Short press = Current values reset.
Long press = Switch the instrument on/off
2. Import Import patient’s refraction data.
3. Export Export patient’s refraction data
4. Far/Near Vision : Far vision mode (Mountain)
Near Vision Mode (Flower)
5. Blue touch: Comparison of patient’s refractions
6. Refraction management buttons.
7. Acuity management : lines, letters, randomisation