It is more suitable for simulating the light effect of anamorphic widescreen, creating blue lines at the light source, adding a unique aesthetic to the picture 

This is more a question of your glasses and not the lamp. She produces light. If your glasses have an anti-reflective coating, the lamp will not be reflected in the glasses, depending on the level of anti-reflective coating. (It should be noted here that the anti-reflective levels trigger different colors, level 2 triggers a blue tone in the glasses, level 3, which is the most recommended for working on the PC, triggers a green tone. This goes badly with a green screen , if the plan was to connect this to it) 

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Yes, it can run indefinitely after being plugged in. 

Of course you can, it is highly absorbent and you can stick it to any smooth place such as walls, mirrors, computers, iPads, desktops etc.