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Current concepts in convergence insufficiency.

Lynn H Trieu1, Judith B Lavrich

  • 1Wills Eye Hospital, Department of Pediatric Ophthalmology and Adult Strabismus, Philadelphia, Pennsylvania, USA.

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Summary
This summary is machine-generated.

Convergence insufficiency significantly impacts near vision, affecting 2-17% of the population. Orthoptic/vergence therapy effectively improves symptoms and quality of life for this condition.

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Area of Science:

  • Ophthalmology
  • Neuroscience
  • Vision Science

Background:

  • Near vision is crucial for daily activities like computer use and reading.
  • Convergence insufficiency (CI) is a common condition affecting near vision.
  • CI is often overlooked and not routinely screened by eyecare professionals.

Purpose of the Study:

  • To review current screening methods and diagnostic criteria for CI.
  • To summarize established treatments for CI.
  • To highlight the prevalence and impact of CI on patient quality of life.

Main Methods:

  • Literature review of current screening and diagnostic approaches for CI.
  • Analysis of treatment efficacy for CI.
  • Examination of prevalence data across general and TBI populations.

Main Results:

  • CI prevalence ranges from 2-17% in the general population, and up to 49% in traumatic brain injury (TBI) patients.
  • Near point of convergence (NPC) and patient symptoms are viable screening tools, though standardization is needed.
  • Orthoptic/vergence therapy demonstrates significant improvements in clinical measures and symptoms of CI.

Conclusions:

  • CI significantly impairs near vision and quality of life.
  • Orthoptic/vergence therapy is an effective treatment for CI.
  • Further research is needed to standardize CI definitions, explore subtypes, and compare home-based vs. office-based therapies.