PMC4690819_01
Respective puncture points of the nerves innervating the upper eyelid
40064_2015_1624_Fig1_HTML.jpg
PMC4690819_01_40064_2015_1624_Fig1_HTML.jpg
Fig1
As infratrochlear and supratrochlear exiting points were located closely together, we chose the point where the bridge of the nose abuts the supraorbital ridge as the single puncture point (Fig. 1).