Is Red Light Good for the Eyes You Need to Read This First
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A study conducted by the Journals of Gerontology found that after two weeks of red light therapy, participants experienced crisper colors and needed less light to see.
A red light therapy enthusiast, however, damaged his retinas permanently after using a red light therapy device due to its high intensity.
Red light therapy is safe, but too many people are staring at very bright devices thinking it's healthy and therefore safe.
Low to moderate intensities of red and infrared wavelengths can improve vision when correctly used, while high intensity can cause permanent retinal damage.
The study that started interest in red light therapy for the eyes used red light at a wavelength of 670 nm, which improved the ability to see the color blue and to see in low light.
After two weeks of daily 3-minute therapy, older individuals experienced a 22% improvement in color vision, and 75% of participants showed improvement in light sensitivity.
Red light therapy helps restore vision by enhancing the function of rod cells, which are responsible for low-light vision, and boosting the function of cone cells, which interpret light as colors.
Red light therapy also showed potential in combating age-related macular degeneration (AMD), diabetic retinopathy, and glaucoma.
Red light therapy improves eyesight but it’s not 100% safe; overexposure or high-intensity light can be harmful.
Red light, infrared, blue, green, and yellow wavelengths are safe for the eyes unless delivered with high intensity.
Consultation with an ophthalmologist is strongly advised before using any light therapy on the eyes.
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