Response to Letter to the Editor: Optical Coherence Tomography Angiography and Visual Field Progression in Primary Angle Closure Glaucoma. Issue 8 (August 2021) - Rao, Harsha L.; Srinivasan, Thanemozhi; Pradhan, Zia S.; Sreenivasaiah, Shruthi; Rao, Dhanaraj A.S.; Puttaiah, Narendra K.; Devi, Sathi; Moghimi, Sasan; Mansouri, Kaweh; Webers, Carroll A.B.; Weinreb, Robert N.