The Volk VG4LNF is a highly regarded 4-mirror gonioscope lens designed for comprehensive examination of the anterior chamber angle of the eye. “NF” signifies its “No Flange” design, which eliminates the need for viscous coupling fluid like methylcellulose, enhancing patient comfort and making static and dynamic gonioscopy quicker and easier.

This Sussman-style lens features four precisely angled 64° mirrors, offering a full 360° view of the trabecular meshwork with minimal lens rotation. It provides 1.0x image magnification and 1.0x laser spot size, with an 8.4mm contact diameter. The all-glass construction ensures superior clarity and durability. The VG4LNF is widely used for routine diagnostic gonioscopy, providing detailed visualization of angle structures for conditions like glaucoma. It comes with a large ring (28.5mm diameter) for comfortable handling.