When you shine the light, it is reflecting against the retina, causing that red reflex. When there is something between the front part of the eye and the retina, then you get an abnormal red reflex.

I checked red light reflex, and it was absent in the left eye. After I did a CT of orbits and brain, I diagnosed the patient with left eye retinoblastoma.

Red light therapy, also known as LED therapy, is gaining popularity in the skin care world for its potential anti-aging benefits. Dr. Rachel Nazarian, a board-certified dermatologist in New York ...

Red light therapy has been found to be helpful for skin health, wound healing, hair growth among people with alopecia and pain management. Some have claimed it’s also useful for sleep, but ...

Red light therapy is increasingly viewed as a promising treatment for wrinkles, acne, psoriasis, scars, and sun-damaged skin, and as a supportive therapy for some kinds of cancer.

To truly show that red light therapy works, we would need evidence from large clinical trials comparing the treatment with a placebo (a fake device, for example), said Dr. Praveen Arany, an ...

Red light therapy is a home-based photobiomodulation system that uses visible and/or near-infrared light to address skin concerns, Chris G. Adigun, MD, a board-certified dermatologist at ...

But red light − a spectrum of visible light around 600 nanometers in wavelength − shows promise as a safe way of healing the skin of many problems, says Dr. Danilo Del Campo, a Chicago-based ...

In a new study published Wednesday, researchers conducted six clinical trials on 216 participants with mild to moderate acne and found that using at-home red and/or blue LED devices led to a 45.3% ...