What may decrease or resolve over time in retinal vein occlusion?

Retinal hemorrhage is known to potentially decrease or resolve over time in cases of retinal vein occlusion. This is due to the body’s natural healing processes and the reabsorption of blood after a hemorrhage occurs. When a vein in the retina becomes occluded, it often leads to increased pressure and leakage of blood into the retina, resulting in hemorrhages. Over weeks to months, these hemorrhages can be reabsorbed by the retinal pigmented epithelium, leading to a reduction in their appearance and severity.

In contrast, optic nerve swelling might resolve, but its timeline is not typically predictable and depends on other factors such as the underlying cause and the overall health of the patient’s eyes. Macular edema, while it can improve over time, often requires treatment for significant improvement, as it involves the accumulation of fluid at the center of the retina, affecting vision. An epiretinal membrane can lead to persistent visual disturbances and is less likely to resolve on its own without surgical intervention.