Just to give you an idea of my problem: I recently bought a 15$ LED cable in order to try to illuminate my pixel QI. It took me about an hour to install so that the light is diffuse correctly on the display. Since LED light seems aggressive to me, I paid attention not to look directly at it while I was manipulating it. By the time I was finished, I had a headache that last all evening --even though I didn't use the display all evening--, and at one in the morning in my bed, I was still feeling this inflammation in my head that kept me from sleeping. At that time my eyes were super sensitive to light, and LED light seems worsts than any other type. Right now, I'm better, but I have to pay extra care.
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