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Retinal Tears

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A retinal tear is a small break in the retina — the thin, light-sensitive tissue lining the back of the eye. While a retinal tear may not cause immediate vision loss, it is a serious condition because it can allow fluid to pass underneath the retina, leading to a retinal detachment if not treated promptly.

Early detection and treatment of retinal tears can often prevent vision-threatening complications.

 

What Causes Retinal Tears?

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The most common cause of retinal tears is age-related changes in the vitreous, the gel that fills the eye. As the vitreous shrinks and separates from the retina — a process called posterior vitreous detachment (PVD) — it can tug on the retina. In some areas, this traction is strong enough to create a tear.

Other risk factors include:

  • High nearsightedness (myopia)
     

  • Eye trauma or injury
     

  • Prior eye surgery (especially cataract surgery)
     

  • Family history of retinal tears or detachment
     

  • Lattice degeneration (thinning of the peripheral retina)
     

  • Previous retinal tear or detachment in either eye
     

 

Symptoms

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Retinal tears are often painless, but symptoms can appear suddenly and should never be ignored. Common warning signs include:

  • Sudden flashes of light, especially in peripheral vision
     

  • New floaters or a sudden increase in floaters
     

  • A shadow or dark area in part of the visual field (may indicate progression to detachment)
     

  • Blurred or decreased vision
     

Any new flashes or floaters warrant prompt evaluation by an eye care professional.

 

How Retinal Tears Are Diagnosed

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Retinal tears are diagnosed during a dilated retinal examination, which allows the retina specialist to carefully examine the peripheral retina. Additional tools may include:

  • Wide-field retinal imaging
     

  • Ultrasound if the view is obscured by blood or media opacity
     

Early diagnosis is key to preventing retinal detachment.

 

Treatment Options

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Laser Treatment (Laser Photocoagulation)

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  • A laser is used to create small burns around the tear
     

  • These burns form a scar that seals the retina to the underlying tissue
     

  • The procedure is typically performed in the office and is usually quick and well tolerated
     

Cryotherapy (Freezing Treatment)

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  • A freezing probe is applied to the outside of the eye over the tear
     

  • Often used when laser treatment is not feasible
     

Both treatments are highly effective at preventing progression to retinal detachment when performed early.

 

After Treatment

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Following treatment, patients are usually advised to:

  • Avoid strenuous activity for a short period
     

  • Monitor for new symptoms
     

  • Attend follow-up visits to ensure proper healing
     

Vision may be temporarily blurry after treatment, but most patients resume normal activities quickly.

 

When Is Surgery Needed?

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If a retinal tear progresses to a retinal detachment, more extensive surgical repair — such as vitrectomy, scleral buckle, or pneumatic retinopexy — may be required.

 

Prognosis

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When treated early, retinal tears generally have an excellent prognosis, with a high success rate in preventing retinal detachment. However, new tears can develop, so ongoing monitoring is important.

 

When to Seek Immediate Care

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Seek urgent eye care if you notice:

  • New or increasing flashes
     

  • Sudden onset of floaters
     

  • A curtain or shadow in your vision
     

Prompt treatment can be sight-saving.

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