Differential Diagnosis of Ocular Signs
Differential Diagnosis of Ocular Signs Anterior Chamber/Anterior Chamber Angle Hyphema Traumatic, iatrogenic (e.g., intraocular surgery or laser), iris neovascularization, herpes simplex or zoster iridocyclitis, blood dyscrasia or clotting disorder (e.g.,…
Differential Diagnosis of Ocular Symptoms
Differential Diagnosis of Ocular Symptoms Burning More Common. Blepharitis, meibomitis, dry eye syndrome, conjunctivitis (infectious, allergic, mechanical, chemical). Less Common. Corneal defects (usually marked by fluorescein staining of the cornea),…
Nerve Blocks 101
Nerve Blocks 101 In a 1998 article titled “How to Block and Tackle the Face”1, I presented a system for facile nerve blocks that would allow the surgeon to be…
Intranasal
Intranasal The purpose of these dissections relates to two subjects: 1 The relation and course of the nasolacrimal apparatus into the nose. 2 How to perform a sphenopalatine (pterygopalatine) ganglion…
Floor of the Orbit and Course of the Infraorbital Nerve
Floor of the Orbit and Course of the Infraorbital Nerve 1 The zygomatic branch of the maxillary nerve leaves the infraorbital branch soon after the entrance to the inferior orbital…
Some Thoughts on the Orbicularis Oculi
Some Thoughts on the Orbicularis Oculi HOW TO APPROACH THE MEDIAL ORBITAL WALL FOR FRACTURE OR DECOMPRESSION 1 The lower orbicularis oculi muscle is attached to the orbital rim medially…
Superomedial Zone
Superomedial Zone 1 The corrugators, proceri, and frontalis muscles are innervated by the frontal (temporal) branches of the facial nerve on each side. The depressor supercilii and medial orbicularis oculi…