The shape of the front part of the eye is maintained by a fluid
called aqueous humor. Aqueous humor is produced by and removed
from the eye at a constant rate [about 1 tsp (5 mL) a day] to
maintain a constant pressure in the front (anterior) chamber of
the eye. While pressure in the eye varies throughout the day,
the normal pressure within the eye is 10 mm Hg to 21 mm Hg.
February 28, 2012 Adam Husney, MD - Family Medicine &
Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology How this
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