The Missing Nutrient in Today’s Diet: Carotenoids, GLA & Advanced Dry Eye Care

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Saturday, February 7, 2026

Dr. Michael Lange and Dr. Susan Summerton hosted Ask the Dr this morning from Salem Media, opening the show with a discussion on the power of proper nutrition and the importance of consuming adequate protein in the morning to support metabolism, muscle health, energy, and brain function.

During a caller discussion, Dr. Lange emphasized the importance of xanthophyll carotenoids, particularly lutein and zeaxanthin, which play a critical role in protecting the macula and supporting long-term visual performance. The doctors also discussed cholesterol and statin medications, and how these drugs may interfere with the absorption of fat-soluble nutrients, including lutein and zeaxanthin. Dr. Lange recommends Fortifeye Focus for anyone who spends extended time on computers or digital devices, as these carotenoids help protect the macula from blue-light damage.

Both doctors highlighted what Dr. Lange described as a missing nutrient in today’s Standard American Diet—black currant seed oil. Unlike most oils, black currant seed oil naturally contains omega-6 (GLA), omega-3 (ALA), and omega-9 fatty acids, making it a uniquely balanced essential fat source. Dr. Lange explained that GLA (gamma-linolenic acid) is particularly lacking in modern diets and plays a key role in controlling inflammation, supporting dry eye, skin health, joint comfort, and overall cellular function. Fortifeye Black Currant Seed Oil / GLA was discussed as an effective way to restore this critical fatty acid balance.

The show also addressed nutrition strategies for constipation, discussed eye floaters and warning signs to be aware of, and offered practical guidance for improving overall systemic and ocular health.

Dr. Lange took time to express gratitude to several mentors from Louisiana who helped shape his career, including Dr. Richard K. Lange (his father), Dr. Charlie Glazer of St. Charles Vision, and Dr. Steve Brint of Eye Surgery Center of Louisiana.

The program concluded with an in-depth segment on dry eye disease, focusing on two advanced technologies designed for more resistant cases—Lumenis OptiLight and OptiLift, available exclusively at the Lange Eye Institute. Dr. Summerton also discussed the benefits of appropriate light exposure for memory, energy, and concentration, while emphasizing the importance of limiting digital screen time at night to support restorative sleep.

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