Iphone 11 - Great but use tape!

As a general rule any LCD screen based phone is great for usage and will not have any affect on those sensitive to pwm or modulation. However, the iPhone 11 has been a strange one, as people on reddit claim that it was good until IOS 17 came about and now it is bad for there eyes. I have a theory, and I'll explain below.

The iPhone 11 has really low modulation at all levels. This is because it utilizes an lcd display, which works by illuminating a primary backlight behind the pixels which turn color. The backlight uses dc dimming to reduce or increase brightness. If you look at this device in slow motion you will see zero flicker. So far so good right?!

As we see in the Frequency and Modulation depth everything is great across the board. The frequency is extremely high and modulation really low, which all together makes the iPhone 11 great and easy on the eyes. So why are people still having issues with this device? I believe it has to do with the infrared sensor they utilize for faceID.

As you can see in the video above, the blinking dot there is the faceID scanner running a scan of your face while your holding the phone. It seems to do this at a regular interval regardless of the activity you are doing, and wether it is needed or not. It has been proven by many medical studies that infrared light, while we cannot see it, can damage the eyes. While you would need a lot of this light to cause the damage, my guess is that prolonged exposure (such as using your phone 5 hrs a day every day a week) would be enough for this to happen, or at least develop a sensitivity to it. Whats the best solution for this? Turn face ID off, and use a password to login to your phone. In addition, stick a little piece of tape over the faceID location as shown in the video. I believe that toggling faceID off in the software only stops authentication process and does not stop it from actually flickering at you. While I do have an iPhone 11, it is not my primary phone, although I do enjoy using it in low light situations as it's easiest on my eyes (with some tape! ). I hope this makes sense to those out there, and if you try it and it works please let me know!