The TW-1410 is a manual phoropter for daily refraction in the practice.
Specifications
- Sphere: −19.00 to +16.75 D (0.25 D steps)
- Cylinder: 0 to −6.00 D (0.25 D steps)
- Cylinder axis: 0–180° (5° steps, read to 1°)
- Rotary prism: 0–20 Δ (1 Δ steps)
- Prism base: 0–360° (5° steps, read to 1°)
- Cross cylinder: ±0.25 D
- PD: 50–75 mm (1 mm steps)
- Forehead adjustment: 16 mm
- Vertex distance: 13.75 mm
- Size: 320 × 305 × 100 mm, net weight 4.75 kg
