FWIW, the resin used to fill a glass imperfection from glass shops, is cured with a black light, not air, or anerobic curing. That resin is warranted to never yellow. They do buff it after it cures, to help with transparency.
You might ask someone familiar with the procedure if they have ever used it on other types of automotive glass repairs.
Dirt that gets into a crack from being driven after the injury occurs is what makes a star break visible. The guy I knew that repaired them said it was crucial to have the repair done ASAP after the injury to stop dirt from lodging in the break, leading to the repair not being clear after filling the void.
