aqueous humor

American  

noun

Anatomy.

1. the limpid watery fluid that fills the space between the cornea and the crystalline lens in the eye.

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aqueous humor Scientific  

1. The clear, watery fluid that fills the chamber of the eye between the cornea and the lens.

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Etymology

Origin of aqueous humor

First recorded in 1635–45

Example Sentences

The findings were published in Investigative Ophthalmology and Visual Science under the title "Metabolomic profiling of aqueous humor from glaucoma patients identifies metabolites with anti-inflammatory and neuroprotective potential in mice."

From Science Daily • Nov. 4, 2025

This will open perforations at the base of the cornea, allowing for the drainage of aqueous humor from the anterior compartment of the eye and, therefore, reducing intraocular pressure related to glaucoma.

From Textbooks • Jun. 19, 2013

It is filled with a watery fluid called the aqueous humor.

From Textbooks • Jun. 19, 2013

Early treatment of open-angle glaucoma with eyedrop drugs like levobunolol hydrochloride, which Bush is taking, slows production of the aqueous humor and relieves the pressure.

From Time Magazine Archive

Because of the great difference in density between the air on the outside and the aqueous humor within, the cornea is the more powerful of the two.

From Physiology and Hygiene for Secondary Schools by Walters, Francis M.