1. Widely used in eyewear shops, schools, eyecare clinic and hospital ophthalmology department
2. Easy adjusting axis. Pd, temple and nose pads are fixed.
3. Colorful appearance and light titanium materials
4. Popular among children patients.
Parameters:
1. PD range: CT2211A 52, 54, 56mm
                   CT2211B  58, 60, 62, 64mm
                   CT2211C  66, 68, 70mm
2. Left and right PD: 26~35mm
3. Axis minimum calibration: 5 degree