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Eye Conditions

Posterior Vitreous Detachment

What is a Posterior Vitreous Detachment?

A Posterior Vitreous Detachment or PVD is a natural and common occurrence with age.

It is when the vitreous gel that fills the eye begins to shrink and eventually detaches from the retina at the back (posterior) of the eye.

A PVD can be associated with more serious conditions such as retinal tear or detachment which have similar symptoms and require urgent attention.

What are the symptoms?

The most common symptom of PVD is blurred vision from a sudden increase or change in floaters which often appear as dark dots, specks, cobwebs or squiggly lines that obscure the vision.

You may also notice white flashing lights like lightning or a camera flash in your side (peripheral) vision.

The symptoms of PVD will change over time and usually settle down over about six months however occasionally the floaters can last for a year or longer.

What is a Posterior Vitreous Detachment?

A Posterior Vitreous Detachment or PVD is a natural and common occurrence with age.

It is when the vitreous gel that fills the eye begins to shrink and eventually detaches from the retina at the back (posterior) of the eye.

A PVD can be associated with more serious conditions such as retinal tear or detachment which have similar symptoms and require urgent attention.

What are the symptoms?

The most common symptom of PVD is blurred vision from a sudden increase or change in floaters which often appear as dark dots, specks, cobwebs or squiggly lines that obscure the vision.

You may also notice white flashing lights like lightning or a camera flash in your side (peripheral) vision.

The symptoms of PVD will change over time and usually settle down over about six months however occasionally the floaters can last for a year or longer.

Causes and Treatment of a Posterior Vitreous Detachment

A Posterior Vitreous Detachment or PVD is a very common condition that happens to most of us as we age however these factors may place you at a higher risk: over 50, short-sighted, trauma to the eye or recent eye surgery (i.e., cataract operation), and/or already had a PVD in one eye.

In most cases, the vitreous detaches fully and cleanly, without any tearing or pulling at the retina and the PVD is considered non-sight threatening and requires no treatment. The floaters remain, but in time become less noticeable and the flashing lights usually settle.

If dense floaters persist after a PVD and interfere with visibility and everyday activities, a vitrectomy surgery may be performed to remove the vitreous and debris from the eye.

In some rare cases, the vitreous pulling away from the retina causes serious complications such as a macular hole, retinal tear or retinal detachment requiring urgent treatment to prevent vision loss.

Posterior Vitreous Detachment: Overview

Flashes and Floaters

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