The endocapsular tension ring has helped in the management of patients with moderate loss of zonular support. However, the eye with profound zonular dialysis or weakness may require scleral fixation of the ring for centration and long-term stabilization. We used a new, modified endocapsular tension ring designed to provide scleral support without violating the integrity of the capsular bag in 4 patients. All patients had extreme loss of zonular support preoperatively or a significant risk of progressive zonular weakness. In each case, the new ring provided excellent support and centration of the capsular bag and intraocular lens intraoperatively and postoperatively.
Implantation of prosthetic iris devices improved postoperative outcomes by reducing glare disability and, in selected cases, by correcting aphakia. Although operating on traumatized, congenitally aniridic, or uveitic eyes presents special challenges, implantation of prosthetic iris devices appears to be a safe and effective method for reducing the ubiquitous glare in patients with iris deficiency.
Use of the MCTR resulted in centration of the capsular bag and PC IOL in 90 eyes with congenitally subluxated crystalline lenses. Fixation of a 9-0 polypropylene suture is recommended to decrease the risk for late suture breakage.
Intermediate vision at a mean reading distance of approximately 40 cm was better with the aspheric IOL with a +3.0 D add than with the aspheric IOL with a +4.0 D add, as shown by the near peak in the mean binocular defocus curve; near and distance acuity were similar between the 2 IOLs. Patients reported excellent overall quality of vision, spectacle independence, and satisfaction.
We developed and evaluated a method of visualizing vitreous gel in the anterior segment. In this study, 0.2 mL of injectable triamcinolone (Kenalog) 40 mg/mL was captured in a 5 microm filter and rinsed with 2 mL of balanced salt solution (BSS). It was then resuspended in 5 mL of BSS and recaptured to thoroughly remove the preservative. The Kenalog particles were ultimately resuspended in 2 mL of BSS and injected into the anterior chamber through a 27-gauge cannula. Kenalog particles were trapped on and within the vitreous gel, making it clearly visible. The visualization provided direct observation of vitreous behavior in various experimental settings and assisted surgeons intraoperatively in the identification and removal of vitreous in the anterior segment.
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