the Lightlas SLT/Yag Deux with Lightlas 577 Tri-Laser System is a tri-laser system that is compact and easy to use. Features include: SLT features technology to treat glaucoma by delivering short pulses of light to trigger the body to heal. This reduces IOP (intraocular pressure) to maintain optic nerve function without damaging the eye. YAG: This features uses laser capsulotomy to treat secondary cataracts. LightMed currently supplies nearly half of the global market for this procedure using the LightLas YAG. 577: These photocoagulators are used for treating retinal and AMD diseases.