Rapid Assessment of Visual Impairment in Marine Fishing Communities in South India
Author Information
Author(s): Marmamula Srinivas, Madala Sreenivas R, Rao Gullapalli N
Primary Institution: L V Prasad Eye Institute, Hyderabad, India
Hypothesis
What is the prevalence and causes of visual impairment in marine fishing communities aged 40 years and older?
Conclusion
There is a high prevalence of visual impairment in marine fishing communities in Prakasam district in India.
Supporting Evidence
- The prevalence of visual impairment was found to be 30%.
- Cataract was the leading cause of visual impairment.
- 7.1% of individuals were found to be blind.
- The study was completed in less than 12 weeks.
- Data collection involved door-to-door surveys.
Takeaway
This study found that many people in fishing communities have trouble seeing, mostly because of cataracts and not having the right glasses.
Methodology
A population-based cross-sectional study using cluster random sampling to assess visual acuity and prevalence of visual impairment.
Potential Biases
Possible bias due to higher participation from older age groups and women.
Limitations
The study may overestimate cataract prevalence as posterior segment examination was not performed.
Participant Demographics
45.4% male, 84.1% uneducated, predominantly marine fishing communities.
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CI, 27.6-32.2
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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