The use of an endocapsular flexible PMMA ring has changed the surgical approach to subluxated cataracts (Figure 1). Implantation of a capsular tension ring, or CTR, stabilizes a loose lens and ...

Capsular tension rings are proving to be useful for surgeons dealing with complicated cataract. The devices can stabilize the capsular bag in cases of posterior capsular tear or zonular dehiscence ...

Cock rings are also known as penis rings, tension rings, and constriction rings. They're sometimes marketed as erectile dysfunction (ED) rings, but people without this condition use them too.

It is sometimes called a penis ring, tension ring, or constriction band. Some cock rings also fit around the testicles. These types of sex toys are called penoscrotal rings. A penis becomes erect ...