1332: another femto laser cataract surgery

Why did the surgeon in this video use a steel blade to make the main incision? The femtosecond laser can also make the incision, so why purposefully program the laser to avoid making the incision so that you can later use a steel keratome instead? There has to be a good reason, right?

click to learn why this surgeon used a blade instead of the laser to make the incision:

link here