What condition does goniodysgenesis refer to?

Goniodysgenesis refers specifically to an abnormal development or conformation of the iridocorneal angle, which is the area where the iris meets the cornea. This condition is significant because it can lead to a variety of issues, including the risk of glaucoma due to impaired drainage of aqueous humor. Anatomic variations in the iridocorneal angle can affect the intraocular pressure and overall health of the eye.

In cases of goniodysgenesis, the angle may be too narrow or irregular, leading to congestion of the drainage pathways. This can have serious consequences for vision and comfort in animals, particularly in breeds that are predisposed to such developmental abnormalities. Understanding this condition is vital for veterinary ophthalmologists when diagnosing and treating potential complications related to intraocular pressure management.

Other conditions listed, such as cataracts, peripheral retinal degeneration, and optic nerve degeneration, involve different mechanisms and anatomical structures within the eye, thus not fitting the definition of goniodysgenesis.