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Give me the diagnosis
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Reading File
Diagnosis: Subconjunctival Hemorrhage
The image shows a bright red patch on the white of the eye (sclera), which is the hallmark appearance of a subconjunctival hemorrhage - a rupture of a small blood vessel beneath the conjunctiva.
What it is
A subconjunctival hemorrhage occurs when a tiny blood vessel under the transparent conjunctiva breaks, causing blood to pool between the conjunctiva and the sclera. Because the conjunctiva is not absorbent, the blood becomes visibly trapped, creating the characteristic vivid red patch. Think of it as a bruise on the eye.
Common Causes
- Valsalva maneuvers: forceful coughing, sneezing, straining, heavy lifting, vomiting
- Eye rubbing (even moderate pressure)
- Blood thinners: aspirin, warfarin, anticoagulants
- Hypertension (high blood pressure - a very common underlying cause in middle-aged adults)
- Diabetes
- Minor trauma to the eye
- Often spontaneous with no identifiable trigger
What to Expect
- Typically painless and does not affect vision
- Resolves on its own in 1-2 weeks
- The patch may initially spread slightly and change color (yellowish/brown) as it absorbs - similar to a bruise healing
- Artificial tears (lubricating eye drops) can relieve any mild scratchiness
Red Flags - See a Doctor If:
| Symptom | Urgency |
|---|---|
| Eye pain or deep ache | Same day |
| Vision changes (blurring, double vision) | Same day |
| Discharge (pus/mucus) | Same day |
| History of direct trauma | Same day |
| Recurrent episodes | Within days |
| Extreme light sensitivity | Same day |
Recommendation
Given the patient's apparent middle age, it is worth checking blood pressure and reviewing any anticoagulant medications, as these are common underlying contributors. A single, isolated, painless episode in an otherwise healthy individual is almost always benign. An in-person ophthalmology evaluation is still advisable to confirm and examine the eye's posterior structures.
Disclaimer: This is a visual assessment only and cannot replace a formal clinical examination by a qualified eye care professional.
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