Yancheng Loudly Trial Frame Fixed PD 360 Rotatable Adjustable Temples Lightweight Optician Tool (PD56)

Fixed Pupillary Distance with Multiple PD Options – This trial frame offers fixed PD options ranging from 48mm to 70mm (48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70), allowing you to select the precise pupillary distance for accurate vision testing and fitting. 360° Rotatable Lens Holder – The lens slot rotates a full 360 degrees around the optical axis, making axial adjustments more convenient and delivering more accurate results for cylindrical lens testing and astigmatism axis measurement. Adjustable Temples with 30mm Extension – The temple angle is adjustable and the temple length can be extended up to 30mm, ensuring a comfortable and secure fit for different head sizes during prolonged testing sessions. Lens Slot Holds 4 Lenses – The Lens Slot can hold up to 4 trial lenses simultaneously (3 in front and 1 in back) without deformation, providing stable and reliable lens placement for comprehensive refraction testing. Adjustable Nose Pads with Spare Included – The nose pad angle is fully adjustable for customized comfort and stability. A spare nose pad is included for added convenience (note: PD 48–54 models do not include nose pads). The lightweight design ensures comfortable wear throughout the testing process.