UTF-5080 Trial frame, 59g, high quality

2.How to use.
1- knob for adjusting the height of nose bridge
2- locknut for bridge                  3- lens holders
4- knob for axis                         5- knob for adjusting PD scale
6- knob for adjusting the temple angle
7- temple                                   8- nose bridge

1) PD Adjustment
According to the PD value of a patient, turn knob 5 to change the expected scale to the position of the sign ▽.
2) Temple adjustment
①Pull the temple 7 to get the proper length of the temples. Turn knob 6 and ensure the correct angle of the temples.
②The shape of ear rest is adjustable, which is comfortable to all customers. Only the diagonal part can be adjusted.

(Note: the ear rest may be damaged if the specified part was adjusted.)
3) Nose Bridge adjustment
Turn locknut 2 to release nose bridge 8, rotate knob 1 to adjust the height of nose bridge 8 and move back-forth the nose bridge 8 to the proper angle. Fasten the locknut 2.
4) Axis adjustment
After inserting cylinder/prism lenses into the lens holders 3, turn knob 4 to adjust the axis.

3. Notes
1) To keep the precision, please do not dismantle this product.
2) Handle and carry carefully to prevent the product from being damaged.
3) Use this product in the normal temperature. Please keep it dry and ventilated.
4) Wipe the dust or dirty blots with clean water and soft cloth.Avoid chemical reagents.
5) Don’t adjust too hard during operation in case of parts damage or crack.
6) All the other parts can not be disinfected with alcohol or similar liquid except the noserest and temples.

4. Service life
5 years (suggested)