Abstract
For proper refraction to occur at the cornea, it is essential that the walls of the eyeball are kept tight by having a positive pressure inside the eyeball. This positive pressure is achieved by circulation of a liquid inside the eye called the aqueous humor. This liquid is chiefly secreted from blood in the posterior chamber from the fenestrated capillaries of the ciliary processes. The aqueous then travels to the anterior chamber of the eye via the pupil. Then it reaches the periphery of the anterior chamber (called the angle of the anterior chamber), which has microscopic outlet channels for the aqueous, namely, the trabecular meshwork, the canal of Schlemm, 12 aqueous veins, and 30 collector channels.
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Ansari, M.W., Nadeem, A. (2016). The Blood Supply to the Eyeball. In: Atlas of Ocular Anatomy. Springer, Cham. https://doi.org/10.1007/978-3-319-42781-2_3
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DOI: https://doi.org/10.1007/978-3-319-42781-2_3
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