| Description | Smaller and tapered tip for creating a tunnel. | Crescent knives have a rounded tip for even incisions reducing post-op astigmatism. Also useful for trabeculotomy, DCR rocedues, and vitreoretinal scleral dissection. Matte finish reduces glare from microscope light, made from flat stock. | 2.5mm | Ideal for short scleral tunnel and trabecular meshwork incisions | Multi-sided, sharp all around, smaller cutting edge. |