Raman, S.; Mitra, M.; Evans, N.; Jacob, J.; Ewing, P. Tolerance of Laser Panretinal Photocoagulation Treatment Under Topical Anaesthesia Using Slit Lamp Delivery Vs Indirect Ophthalmoscope Laser Panretinal Photocoagulation Under Peribulbar Anaesthesia.  J. Ocul. Dis. Ther. 2017, 5, 8-11.