Dental Surgical Loupe PD & Height Adjustment Flip-Up Design Screw-Rod Lock Multi-Layer Multi-Layer Coated 2.5X/3.5X. This professional dental surgical loupe provides clear, bright, and detailed vision for precision procedures. Featuring independently adjustable pupillary distance and height, it ensures a perfect fit for every user. The screw-rod locking structure prevents accidental shifts, maintaining stable alignment throughout use. With a flip-up design for quick communication and multi-layer coated lenses that reduce reflection, it delivers high-resolution imaging and comfortable long-term wear.