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Impressum
Scleral fixation of foldable posterior chamber lenses
Ehrich C., Keuch R., Bleckmann H.
Departement of ophthalmology, Schloßparkklinik Berlin
Objective: Scleral fixated posterior chamber lenses are an alternative
to anterior chamber lenses in eyes after capsule loss. It was the aim
of this study to compare the postoperative outcome following scleral fixation
of PMMA lenses versus foldable acrylic lenses.
Patients: 40 patients who underwent transscleral fixation of posterior
chamber lenses were divided into two groups. Group 1 (n=20) received PMMA
lenses through a 6 mm (phaco) or 13 mm (ECCE/ICCE) incision. Group 2 (n=20)
received foldable acrylic lenses through a 3.5 mm incicion. Visual acuity,
postoperative astigmatism and complications were analyzed.
Results: Mean visual acuity improved from 0.3 to 0.4 in group 1
and from 0.2 to 0.3 in group 2. Mean postoperative astigmatism was 2.3
dpt in group 1 versus 0.91 dpt in group 2. The following complications
were observed: 12 vitreous hemorage in group 1 and none in group 2, vitreous
in the anterior chamber was found in 2 eyes in each group and postoperative
hypotony was observed in 3 eyes in group 1 versus 1 eye in group 2. Patients
of group 1 stayed 4.2 days in the hospital, patients of group 2 2.5 days.
Conclusions: By implantating foldable acrylic lenses through a
small incision postoperative astigmatism was minimized. Furthermore fewer
complications were observed and hospitalisation could be reduced.