Figure 2.
B-mode scan ultrasound images with arrows indicating expanded sub-Tenon’s space and apparent “T-sign” following standard sub-Tenon block (A) and incisionless sub-Tenon technique (B).
Notes: Reprinted by permission from Macmillan Publishers Ltd: Eye. Lin S, Ling RH, Allman KG. Real-time visualization of anaesthetic fluid localization following incisionless sub-Tenon’s block. Eye (Lond). 2014;28(4):497–498. Copyright © 2014 Royal College of Ophthalmologists.57
Abbreviation: B, brightness.