Retinal Tear

What It Is

A retinal tear is a break or flap in the thin, light-sensitive tissue (the retina) that lines the back of the eye. It typically occurs when the vitreous gel — the clear, jelly-like substance that fills the eye — pulls away from the retina with enough force to cause a small rip. This is often part of a normal aging process called posterior vitreous detachment (PVD). While a retinal tear by itself doesn’t always cause vision loss, it can allow fluid to pass underneath the retina, which may progress to a retinal detachment, a sight-threatening emergency. Early diagnosis and treatment are critical to prevent that complication.

Symptoms

  • Sudden flashes of light (photopsia), especially in peripheral vision
  • New or increased floaters, sometimes described as a ‘shower of black dots’ or ‘spider webs’
  • Blurred or hazy vision if bleeding occurs inside the eye
  • Shadow or curtain effect if detachment begins
  • Sometimes no symptoms — tears can be found incidentally during routine eye exams
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Findings

  • U-shaped (horseshoe) retinal tear or operculated tear in the peripheral retina
  • Evidence of posterior vitreous detachment (PVD) with visible traction at the tear edge
  • Pigment cells in the vitreous cavity (‘tobacco dust’ or Shafer’s sign)
  • Possible localized vitreous hemorrhage
  • Adjacent retina remains flat unless subretinal fluid has developed
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Treatments

Goal: Prevent progression to retinal detachment by sealing the tear to the underlying retinal pigment epithelium (RPE).

  • Laser Photocoagulation: Uses focused laser burns around the tear to create a scar that ‘welds’ the retina in place.
  • Cryotherapy: Applies a freezing probe externally to create an adhesive scar when laser visualization is poor (e.g., due to vitreous hemorrhage).
  • Observation: In select, small atrophic holes without symptoms or traction, close monitoring may suffice.
  • Procedures are typically performed in-office, using topical anesthesia and minimal discomfort.

Outcomes

  • Excellent prognosis when treated promptly — over 90% of retinal tears remain stable without detachment.
  • Flashes and floaters often improve over several weeks to months.
  • Untreated tears may progress to retinal detachment, requiring surgical repair and carrying a higher risk of permanent vision loss.
  • Follow-up examinations are essential, as new tears can develop even after successful treatment.