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Lens Displacement and Retinal Injury in Blunt Eye Trauma.

Jiabei Zhou1, Xinqi Ma1, Fang Duan1

  • 1State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou 510060, China.

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Blunt eye trauma causing lens dislocation frequently leads to retinal injuries, even without initial signs. Prompt treatment of these injuries is crucial for visual recovery, similar to cases without them.

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Area of Science:

  • Ophthalmology
  • Trauma Surgery

Background:

  • Blunt eye trauma can cause lens dislocation.
  • Retinal injury incidence and prognosis in these cases require investigation.

Purpose of the Study:

  • To determine the incidence and prognosis of retinal injury in patients with blunt eye trauma-induced lens dislocation.
  • To identify risk factors for retinal injury in this patient cohort.

Main Methods:

  • Retrospective analysis of 53 patients undergoing lensectomy and vitrectomy for contusive lens dislocation.
  • Patients were categorized based on intraoperative findings of retinal injury.
  • Clinical features and visual outcomes were assessed over a 3-month follow-up period.

Main Results:

  • Retinal injuries were found intraoperatively in 52.8% of patients, primarily peripheral tears.
  • Total lens dislocation was more common in patients with retinal injuries compared to subluxation.
  • Both groups showed significant improvement in corrected distance visual acuity (CDVA) and a decrease in intraocular pressure (IOP) post-surgery, with no significant intergroup differences.

Conclusions:

  • A significant proportion of patients with lens dislocation from blunt trauma develop retinal injuries during surgery.
  • Total lens dislocation is a risk factor for associated retinal injuries.
  • Prompt management of retinal injuries leads to comparable visual acuity outcomes to those without such injuries.