solved
Very good question to ask, and in all honesty, we are not aware of much research that indicates the eyes are damaged, but rather “strained”.
Ex: washingtonpost.com/national/ … story.html
The LCD screen included with the kit is not the highest quality, and it is only a few inches away from your eyes.
However given that the flight time of a multirotor is around 15-20 minutes, there really should not be any issue.