Excessive Paranasal Sinuses and Mastoid Aeration as a Possible Cause of Chronic Headache

Table 3

Linear measurements (mm) of maxillary sinuses and comparison with the diameter of ophthalmic bulb.

Maxillary sinus (mm)	Patient	Percentage of; ophthalmic bulb diameter
Width of right sinus	31,8	126%
Height of right sinus	47,1	186%
Ophthalmic bulb right	25,2
Width of left sinus	33,1	136%
Height of left sinus	45,2	186%
Ophthalmic bulb left	24,3