What causes sudden, unexplained retinal bleeding?

Feb 26, 2023 Source: Cainiu Health
Dr. Cui Xin
Introduction
Unexplained retinal hemorrhage may be caused by physiological factors, keratitis, retinal holes, etc. Subconjunctival hemorrhage can result from eye fatigue. Inflammatory reactions in corneal tissue lead to keratitis. Degeneration of the retina and vitreous tissues may pull and tear the retina, causing retinal holes. Additionally, conditions such as hypertension and diabetes may cause vascular occlusion or secondary bleeding, which can also lead to hemorrhage.

Unexplained retinal bleeding may be caused by physiological factors or pathological conditions such as keratitis or retinal holes.

I. Physiological Factors

Excessive eye strain due to frequent late nights, overtime work, or prolonged mobile phone use can easily lead to subconjunctival hemorrhage.

II. Pathological Factors

       1. Keratitis

When the cornea's defensive ability weakens, external stimuli can trigger an inflammatory response in the corneal tissue, leading to keratitis. This condition is often accompanied by discomfort symptoms such as eye pain, photophobia, and tearing.

       2. Retinal Hole

A localized defect in the retina occurs when both the retina and vitreous body undergo degenerative changes, causing the retina to tear and form a retinal hole.

In addition, conditions such as hypertension and diabetes may also cause retinal bleeding due to vascular blockage or secondary hemorrhage. It is recommended to visit a hospital for examination to determine the exact cause and receive active treatment under medical guidance.

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