These devices for cataract surgery are specifically designed for scleral fixation with suture.

Capsular tension ring ค อ. This is the first class about the author s experience with the last 30 surgeris with capsular tension ring ctr and capsular tension segment cts this chan. In one aspect of the invention the improved endocapsular tension ring. Morcher type 14 ctrs are are available in 3 different diameters to accommodate patients individual capsular bags. Capsular tension rings or ctrs have been approved for use in the united states for several years now and are designed to improve the outcome of phacoemulsification when the capsular bag stability is compromised this kind of instability is most often found in cases of pseudoexfoliation floppy capsule syndrome marfan s syndrome and other metabolic disorders eyes that have undergone.

The cionni capsular tension ring ctr is used to stabilize the capsular bag in cases of damaged or missing zonules. Circular expansion and stabilization of the capsular bag s afe iol centration in eyes with zonular dehiscence. Update on endocapsular support devices. 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 zonular loss.

This problem is most often seen in cases of trauma pseudoexfoliation syndrome. Bayraktar s alton t kucuksumer y yilmaz of. Pmma capsular tension ring ctr ophtec capsular tension rings are indicated for the stabilization of the capsular bag in the presence of weakened or compromised zonules. Capsular tension rings ctrs well known to ophthalmic surgeons are c shaped devices used to stabilize the capsular bag of the crystalline lens during cataract surgery in eyes with zonular weakness.

They are very useful in cases of trauma with focal zonular loss and may provide additional stability in certain cases of progressive zonulopathy like pseudo exfoliation. An improved endocapsular tension ring and method of implanting same in a capsular bag of a human eye. The new ring aptly named the henderson capsule tension ring is an open c shaped loop made of pmma. Designed to stabilize the capsular bag.

Its uniqueness comes from eight equally spaced indentations of 0 15 mm which are intended to improve the surgeon s ability to remove nuclear and cortical material while maintaining equal expansion of the capsular bag. Ophthalmol clin north am.