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Section: Overview
Hyphema is the presence of blood within the front (anterior) chamber of the eye and is a symptom of either serious ophthalmic or systemic disease. The amount of blood within the front chamber can vary. Mild hyphema may appear only as a pinkish-red discoloration to the fluid in the front of the eye, or as red blood settled out on the bottom of the chamber. Severe hyphema is when the entire chamber is filled with blood and the animal is rendered blind.Hyphema usually originates from bleeding of the iris blood vessels, but the blood may also originate from the ciliary body (tissue behind the iris), choroidal blood vessels (tissue layer beneath the retina), or retinal blood vessels.CausesSome common causes of hyphema include:
Thrombocytopenia refers to an abnormally low blood-concentration of platelets, which are blood cells that promote blood clotting after injury to the lining of the blood vessels. When the concentration...
Ocular trauma is the result of blunt, piercing, pointed or jagged objects inflicted directly to the eye, including cat claw injuries, thorns, branches, writing instruments, or small airborne objects. Ocular...
Anterior uveitis is inflammation that affects the front part of the eye. The iris, which is the colored portion of the eye, is typically involved, and common causes include immmune diseases, infections...
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