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What is the Optimal Laser for DME: Green or Yellow?

Author(s)/Faculty: Susan B. Bressler, MD
Release Date: 5/25/2012Expiration Date: 5/24/2015
Credit Type: CMENumber of Credits: 0
Content Type: Provider:
Study results show a difference in visual acuity results comparing investigators using green laser vs. yellow laser. Because the eyes were not assigned randomly to a specific wavelength, and the group of investigators associated with each wavelength differed, it is possible that factors other than the laser wavelength could account for the differences identified. The observation of differential numbers of treatments between laser color groups is consistent with possible confounding. While these results are consistent with a better treatment effect with yellow laser, a randomized study would be required to rule out confounding or chance...