Lutein Supplementation in Retinitis Pigmentosa
Author Information
Author(s): Bahrami Hossein, Melia Michele, Dagnelie Gislin
Primary Institution: The Wilmer Eye Institute, Johns Hopkins University
Hypothesis
Does lutein supplementation preserve visual function in patients with retinitis pigmentosa?
Conclusion
Lutein supplementation may improve visual field and slightly enhance visual acuity, but results should be interpreted cautiously.
Supporting Evidence
- Lutein supplementation improved visual field significantly.
- Visual acuity improvements were not statistically significant.
- The study was the first randomized placebo-controlled trial of lutein in retinitis pigmentosa.
Takeaway
This study looked at whether taking lutein helps people with a vision problem called retinitis pigmentosa see better. It found that lutein might help a little, especially with seeing in the side of your vision.
Methodology
A double-masked randomized placebo-controlled phase I/II clinical trial with a crossover design.
Potential Biases
Potential confounding effects from multivitamin use and the small sample size may limit the generalizability of the results.
Limitations
The study had a small sample size and a short follow-up duration.
Participant Demographics
34 adult patients with retinitis pigmentosa, including 21 women and 13 men, mean age 49.2 years.
Statistical Information
P-Value
0.038
Confidence Interval
95% CI: 0.001, 0.036
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website