Black Eye Laser Defense Graphic
New Scientist July 13th 1972
https://books.google.com/books?id=MXT2JnQE7rIC&pg=PA86&lpg=PA86&dq=%22black+eye%22+military+defence&source=bl&ots=BfQBBoahg4&sig=RwhTIUR5cSSY3ajI1T647Py7fAE&hl=en&sa=X&ved=2ahUKEwipj7vlpZ3fAhVuooMKHeNGBOw4ChDoATAGegQIBxAB#v=onepage&q=%22black%20eye%22%20military%20defence&f=false
satellites are often deemed "eyes in the sky"
Black eye is a thermo laser that can take out weaponized satellites.
Knocking out those "eyes"…. or "blackening" them.
No need to complicate the analogy with the Eye of Ra, but have at it if you like
This is old military technology and Q has a military background. It is within his common knowledge base.