Late in-the-bag IOL dislocation has a number of risk factors, including trauma-related conditions, as well as protective ...

Engineers often wrap iron rings, called tension rings, around domes. Like hoops on a barrel, the tension rings prevent the dome walls from thrusting outward.

A GREAT deal has been written about the ring method since it was rescued from oblivion in 1919. It is to-day more widely used than any other throughout the world. Let us try and analyse the ...

A force tensiometer measures surface tension by determining the force required to detach a probe or ring from the liquid’s surface, that force being directly related to the liquid’s surface tension.