Condition

Vitreous haemorrhage (bleeding in the eye)

Medical reviewer Mr Mohamed Mohyudin· Last recorded site review

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What it is

When blood leaks into the clear vitreous gel, vision becomes hazy or blocked by red or dark floaters. The amount of bleeding ranges from mild specks to dense clouding.

Common symptoms

Symptoms are usually sudden.

  • Sudden new floaters or a red tint
  • Hazy or reduced vision
  • Often painless
  • May worsen with head position if blood shifts

Causes

Diabetic retinopathy is a leading cause in adults. Other causes include retinal tears, retinal vein occlusion, macular degeneration, eye injury and blood-thinning medicines. Finding the source guides treatment.

Treatment

Urgent examination is needed, often with ultrasound if the view is cloudy. Mild bleeds may settle on their own, but underlying tears or diabetic bleeding need prompt treatment. Repeated bleeds may need vitrectomy surgery.

Frequently asked questions

What causes bleeding inside the eye?

Common causes include diabetic eye disease, retinal tears, retinal vein occlusion and eye injury. Sudden new floaters or hazy vision need urgent assessment.

Will a vitreous haemorrhage clear on its own?

Some mild bleeds settle over weeks, but the underlying cause must be found, as retinal tears can threaten sight if missed.

Is vitreous haemorrhage an emergency?

Sudden vision change from bleeding in the eye should be assessed urgently to rule out a retinal tear or treatable diabetic bleeding.

Your next step

Take this to your appointment

Write down what has changed, when it started, your current medicines and the questions you want answered. Take these to your eye-care appointment.

Sudden loss of sight, severe eye pain or a dark curtain across vision needs immediate assessment. Do not wait to complete a worksheet.

Sources for this information

These references support the information on this page. Follow the linked source for its full context.