Average Intraocular Lens Power for Cataract Surgeries in Trincomalee, Sri Lanka
Author Information
Author(s): Muacevic Alexander, Adler John R, Pinto M Ninesh M D, Dissanayake DM Mangala, Krishnamoorthy Kasturi, Indrapala Pavithra B
Primary Institution: District General Hospital Trincomalee
Hypothesis
What is the average lens power required for cataract surgeries in Trincomalee district, Sri Lanka, based on sex and age groups?
Conclusion
The average lens power required for cataract surgeries in Trincomalee district is 22.95 D, with significant differences observed between male and female patients.
Supporting Evidence
- The average lens power for the entire population was 22.95 D.
- Female patients required a higher average lens power (23.11 D) compared to male patients (22.75 D).
- The highest prevalence of cataracts was found in patients aged 60-79 years.
- Significant differences in lens power were observed between age groups.
Takeaway
Doctors looked at records of patients who had cataract surgery to find out what strength of lenses they needed, and they found that women generally needed stronger lenses than men.
Methodology
A retrospective observational study analyzing patient records from cataract surgeries conducted at District General Hospital Trincomalee over a 16-month period.
Potential Biases
Potential selection bias due to the retrospective nature of the study and the single-center design.
Limitations
The study's retrospective design and reliance on existing medical records may have introduced selection bias and limited generalizability.
Participant Demographics
476 male patients (46%) and 557 female patients (53%), with the highest prevalence of cataracts in those aged 60-79 years.
Statistical Information
P-Value
0.0168
Confidence Interval
0.064-0.653
Statistical Significance
p = 0.0168
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website