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• #DEGENERATIVE MYOPIA BILATERAL CODE#

In the normal case, the two veins drain centrally in the optic nerve (see normal anatomy photo). The left eye frame shows both the superior and inferior hemi-central retinal veins draining outside of the optic nerve margins (blue circles), draining into the choroidal veins that circle the optic nerve (black arrows, ring of Zinn).

#DEGENERATIVE MYOPIA BILATERAL CODE#

The purple arrow shows the looping of the superior hemi-central retinal vein, which drains to a peripapillary vein emptying into a choroidal vein. H44.23 Degenerative myopia, bilateral Code Description H35.051Retinal neovascularization, unspecified, right eye H35.052Retinal neovascularization, unspecified, left eye H35. Additional possible risk factors such as female gender, larger optic disc area and. Primary risk factors for pathologic myopia include older age, greater axial length, and higher myopic spherical equivalent. The inferior hemi-central retinal vein drains into this pit-like structure, which is abnormal. Simple myopia: Myopia in an otherwise normal eye, typically less than 4.00 to 6.00 diopters. Currently, the roles of known myopia-associated genetic variants have not been well established in the development of pathologic myopia.

The yellow circle in the right eye frame shows an optic pit-like abnormality. People who are nearsighted can see close objects clearly, but distant objects seem blurry. The green arrows in both frames indicate the central retinal artery, which brings blood into the retina through the nerve. Myopic degeneration is related to myopia or nearsightedness. Upon examination, the diagnosis of pathologic myopia was confirmed, but also found were abnormal patterns of retinal venous drainage in both eyes. This 40 year old male presented for evaluation of myopic degeneration in both eyes.

Bilateral Retinal Venous Anomaly in a Pathologic Myopia Patient - The Retina Reference The Retina Reference