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Visual hallucinations affect 13.8% of visually impaired individuals in India. Older age and moderate visual impairment are key associated factors, highlighting the need for targeted interventions.

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Area of Science:

  • Ophthalmology
  • Neurology
  • Public Health

Background:

  • Visual hallucinations are a complex phenomenon with varying prevalence globally.
  • Understanding their associations is crucial for public health initiatives in India.

Purpose of the Study:

  • To determine the prevalence of visual hallucinations in a population-based Indian cohort.
  • To identify demographic and clinical factors associated with visual hallucinations.

Main Methods:

  • A prospective, cross-sectional, population-based study in Telangana, India.
  • Multi-stage cluster random sampling of 4,936 participants.
  • Univariate and multiple logistic regression analyses were employed.

Main Results:

  • The prevalence of visual hallucinations was 13.8% among those with visual impairment.
  • Older age (>70 years) and moderate visual impairment were significantly associated.
  • Odds ratios indicated higher likelihood with moderate visual impairment (1.48) and older age (1.35).

Conclusions:

  • Moderate visual impairment and older age are significant risk factors for visual hallucinations.
  • Findings underscore the importance of addressing visual impairment in managing hallucinations.