Hi, I am scheduled to begin the light therapy in my ophthalmologist office the first week of April. I'm not certain of the machine used as I haven't had it done yet. I will let you know more about it when it starts, if you wish. This is the information I have for it: "Light therapy" for dry eyes typically refers to Intense Pulsed Light (IPL) therapy, a treatment that uses specific wavelengths of light to target and improve the function of the meibomian glands in the eyelids, which are responsible for producing oils that help lubricate the eyes and alleviate dryness symptoms; this treatment is considered particularly effective for dry eye caused by clogged or dysfunctional meibomian glands.
Key points about IPL therapy for dry eyes:

Mechanism:
IPL delivers pulses of light to the skin around the eyes, which can help reduce inflammation, unclog the meibomian glands, and stimulate the production of healthy oils, improving tear quality.

Benefits:
Can significantly alleviate dry eye symptoms like irritation, stinging, and blurred vision.

Hope this helps some. Blessings and have a great day.