ring

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Ring

A place on an exchange assigned for the trading of certain commodities, futures, or options. It is also called a pit or a trading pit.

ring

See pit.
References in periodicals archive ?
Zonular dehiscence occurred in 9 patients, however, only 3 of them required capsular tension ring. Two IOLs with haptic fracture were explanted during the surgery and new IOLs were implanted in the capsular bag without any problem.
Objective: To evaluate the visual outcome and complications after modified capsular tension ring (CTR) and intraocular lens implantation (IOL) in eyes with subluxated lenses.