Figure 4.

The typical extents of the incisions created in traditional ab-externo trabeculotomy and novel trabeculotomy-related glaucoma surgeries. (a) Conventional ab-externo trabeculotomy. (b) The Trabectome and Kahook Dual Blade. (c) Microhook ab-interno trabeculotomy. (d) Suture ab-interno trabeculotomy. The red arcs indicate the extent of the trabeculotomy, the blue lines the corneal side ports, and the blue box the scleral flap. These panels are adopted from our previous publication[20] with modification with the permission of the journal