Understanding Posterior Vitreous Detachment (PVD), Flashes & Floaters

Posterior vitreous detachment is a common age-related eye condition. It often causes flashes of light or floaters in vision. While usually harmless, PVD can sometimes signal more serious retinal problems that need prompt attention.

What Is Posterior Vitreous Detachment?

The eye is filled with a clear gel called the vitreous. As we age, the vitreous naturally shrinks and pulls away from the retina — this is known as a posterior vitreous detachment (PVD).

Most PVDs are not sight-threatening. However, in some cases, the pulling can cause retinal tears or detachment, which require urgent treatment.

Symptoms

If floaters suddenly increase or flashes appear suddenly, this may signal a retinal tear or detachment and requires immediate evaluation.

Common symptoms of PVD include:

Floaters:

Small specks, cobwebs, or strands that drift across your vision.

Flashes of Light:

Brief flashes in the peripheral vision, especially in dim settings.

Blurred Vision:

Sometimes mild blurring or haziness.

Risk Factors

PVD is common after age 50 and more likely in people who:

Diagnosis & Testing

PVD is diagnosed through a comprehensive eye exam, often including:

Dilated Eye Exam:

Essential for spotting hidden retinal damage.

Allows direct viewing of the retina for tears or holes.

Ophthalmoscopy:

Examining the retina for early signs of damage.

Detects retinal tears or detachment.

Optical Coherence Tomography (OCT) or Ultrasound:

Clear views when standard exams aren’t enough.

Provides detailed imaging when the retina cannot be clearly seen.

Treatment Options

No Treatment Needed:

Most PVDs do not require intervention, and symptoms may improve as the brain adapts to floaters.

Monitoring:

Regular follow-up exams to ensure no retinal tears develop.

Retinal Tear or Detachment:

If complications occur, urgent laser therapy or surgery may be needed.

Living with Flashes & Floaters

Many people live with floaters after PVD. While they can be annoying, they often become less noticeable over time. Helpful steps include:

Regular eye exams to monitor changes.

Seeking immediate care if floaters or flashes suddenly increase.

Protecting eye health by managing overall conditions like diabetes and hypertension.

At Retina Consultants of Hawaii, we provide thorough evaluation and care to distinguish between harmless floaters and more serious retinal conditions.to help patients with ERM protect and improve their vision.

Next Steps in Your Care

If you notice new flashes of light, a sudden increase in floaters, or a shadow in your vision, speak with your current eye care provider right away. If a retinal condition is suspected, they can coordinate specialized care with our team.

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