| Description | Rounded tip for even incisions reducing post-op astigmatism | 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. | Ideal for short scleral tunnel and trabecular meshwork incisions | Ideal for short scleral tunnel and trabecular meshwork incisions | Multi-sided, sharp all around, smaller cutting edge. |