Ellex Tango Reflex with slit lamp Laser Ophthalmic || In the SLT mode, the device is intended to be used for selective laser trabeculoplasty (ST) operations (laser trabeculoplasty for primary open angle glaucoma). In the VAG mode it is intended to be used to perform procedures requiring the rupture of tissue in the eye for Iridotomy and Iridectomy, Posterior capsulotomy and Posterior membranectomy.