2022年12月1日 · Pick your size wisely. Although you’ll most often be using a medium-sized CTR, take measurements to esti­mate the best fit, said Dr. Hoffman. The ends of a correctly sized …

Sizing. A correctly sized ring has ends that slightly overlap each other and a diameter that is slightly larger than the diameter of the capsular bag . Horizontal white-to-white and globe axial …

The standard Morcher CTR comes in three sizes based on uncompressed diameter: 12.3 mm (compresses to 10 mm, Morcher 14, used for axial length < 24 mm), 13 mm (compresses to …

2007年11月28日 · The capsular tension ring (CTR), a circular polymethylmethacrylate (PMMA) filament designed to be placed within the capsular bag, creates outward forces, thereby …

the CTR size. A WTW measurement between 11.5 and 12.5 mm necessitates a medium. If it’s less, use a small CTR, and if it’s greater, use a large. When in doubt, said Dr. Ayres, you can …

Capsular Tension Rings (CTRs) are indicated to stabilize weakened, broken or missing zonules, preventing IOL decentration after capsular shrinkage. The CTR is a PMMA open-ring device …

2019年8月1日 · Capsular tension rings are flexible plastic loops which are designed to exert outward force at the capsular bag equator to help distribute forces and help support areas of …

2008年1月1日 · The selection of CTR size is based on capsular bag dimensions. A larger capsular bag usually requires a larger ring. Many surgeons prefer to choose a slightly larger …

A capsular tension ring (CTR) can be a useful tool for ophthalmologists to have on hand during surgery. Two physicians discussed the available products, when the best time is to use them, …

The selection of CTR size is based on capsular bag dimensions. Typically, a larger capsular bag requires a larger ring with the reverse holding true. Many surgeons prefer to choose a slightly …