Subluxated cataracts are managed depending on the degree of zonular dialysis. For a subluxation of up to one quadrant, a capsular tension ring may be used. However, for larger subluxations, some form of scleral fixation is necessary to avoid a decentered or subluxated bag in the postoperative period.
The currently available devices for scleral fixation are all sutured and include the Ahmed segment, the Cionni single and double hook rings, and the Assia segment. All of these devices are sutured onto the scleral wall using either 9-0 Prolene suture or (Read more...)
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