Dale’s Black Eye Palsy, a Cause of Cluster Headaches Postulate
Dale Fairly, November 21, 2016, first revision January 1, 2017 Definition
Dale’s Black Eye Palsy is a neurological disorder of certain nerves of the face, located in the orbit.
Similar to Bell’s palsy which disrupts an output cranial nerve, Dale’s Black Eye palsy disrupts an input cranial nerve. With Bell’s palsy, the loss of motor function makes diagnosis easy. However, Dale’s Black Eye palsy is a loss of input signals, less understood and difficult to recognize. Both disorders disrupt part of the same autonomic nerve.
These nerves, the Infraorbital, the Zygomatic and the Greater Petrosal nerves (V2+) become entrapped in the orbit floor. This entrapment leads to nerve compression. The nerve compression reduces the nerve signal. The weak signal results in palsy of the terminal systems.
Symptoms occur when the nerves undergo nerve friction, intermittent and/or constant nerve compressions. Initially, the friction may only be transient, resulting in symptom free periods.
Orbit floor movement produces intermittent nerve compressions, proportional to the orbital floor stress. Whereas, significant entrapment, infection, inflammation, cold, or rest produce longer constant compression.
Strong sudden compression causes significant stimulation, and significant distress suddely, like a ‘funny bone’. Soft, constant compression is like a leg ‘falling asleep’. Similarly, after these compressions, some recovery time is necessary before normal function returns, although longer.
In most patients, Dale’s Black Eye Palsy is progressive, as the bones age.
Contents
Orbit Floor Movement ...2
Lacrimal System .............2
Nasal Cycle .....................3
Internal Nasal Valve .......3
Sinus ...............................4
Gate Theory ................... 4
Pain ................................4
Nerves ............................4
Skin .................4
Temperature ...5
Symptoms .......6
Causes .............6
Risk factors ......7
Triggers ...........7
Treatment .......7
Testing ............7
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