 There are currently many surgical options for patients with glaucoma and ocular hypertension OHT, including the Hydrus Microstent implant, HiFU High intensity Focused ultrasound, STAR flo, Kahook Dual Blade, Diode laser, trabeculectomy and the Baerveldt implant, but little is known about how these different surgical techniques used to treat glaucoma affect the flow of fluid through and out of the eye aqueous dynamics. 