Treating shortsightedness with red-light therapy may have unintended s

Treating shortsightedness with red-light therapy may have unintended s

Treating shortsightedness with red-light therapy may have unintended side effects, with a new study showing a reduced density of light-sensing cone cells in people who used red light therapy for at least a year. Red light therapy is increasingly being explored as a treatment for myopia, or shortsightedness. The researchers used high-resolution retinal imaging to study retinal structure in eyes exposed to repeated low-level red light for 12 month…