Photobiomodulation therapy for congenital color vision deficiency: results of a preliminary randomized clinical trial
2024

Using Light Therapy to Help Color Blindness

Sample size: 74 publication 10 minutes Evidence: moderate

Author Information

Author(s): Liu Yidi, Yang Qinghua, Yu Jun, Jia Liang

Primary Institution: Chinese PLA General Hospital

Hypothesis

Can photobiomodulation therapy improve color vision in individuals with congenital color vision deficiency?

Conclusion

Photobiomodulation therapy shows promise as a treatment option for individuals with color vision deficiency.

Supporting Evidence

  • Participants in the PBM group showed significant improvement in color vision tests after 4 weeks.
  • The PBM group could identify more colors on standard tests compared to the control group.
  • Improvements were observed in multiple color vision assessment methods.
  • Statistical analysis confirmed the effectiveness of PBM therapy with a p-value less than 0.0001.

Takeaway

This study tested a special light therapy to help people who have trouble seeing colors, and it seems to work well.

Methodology

Participants were randomly assigned to either a treatment group receiving photobiomodulation therapy or a control group with no treatment, and their color vision was assessed over four weeks.

Limitations

The study is preliminary and lacks a proper control treatment; further research is needed to optimize treatment parameters.

Participant Demographics

The study included 74 participants, predominantly male (89.2%), with a mean age of approximately 27 years.

Statistical Information

P-Value

<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.3389/fmed.2024.1497501

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