The palpebral fissure enlarges (apraclonidine reverses the Horner syndrome). Apraclonidine is a direct a-receptor agonist (strong a2 and weak a1).

The medial palpebral artery is often transected during upper blepharoplasty and can cause hemorrhage.

LAS VEGAS — Implantation of a palpebral spring can restore lid function in some patients with lagophthalmos, according to a surgeon speaking here. Hakan Demirci, MD, and colleagues at the ...

The artery crossed over at the site of the sympathetic chain in the cervical region, and impacted on the left common carotid artery about 2 cm proximal to the bifurcation, causing compression of ...