Epoxy is best for that.
Two-component epoxy
An ABO Certified Optician is skillfully trained to repair broken eyeglasses or may know how you can replace them. Teresa Clay, ABOC
The best glue for tent repair is a strong adhesive specifically designed for outdoor gear, such as a tent repair patch kit or a flexible, waterproof adhesive like Seam Grip. These types of glues are durable and can withstand the elements, ensuring a long-lasting repair.
There is a type of glue for every repair.
gorilla glueANS 2 - Aqua Seal is specifically made for that kind of repair.
Elmer's China and Glass glue will repair them.
PVA glueANS 2 Epoxy or carpenters yellow glue may be best, depending exactly what you are gluing.
That depends if you are fixing a part of them, or not. I don't see it as the best adhesive for fixing any part of eyeglasses, but then you may have different glasses than I do.
a tuba glue
With a lot of Elmers Glue. With a lot of Elmers Glue. With a lot of Elmers Glue.
glue?