Objective assessment of the quality of vision before and after repositioning of a dislocated iris-fixated aphakic anterior chamber lens.

PURPOSE: To document severe visual symptoms due to the dislocation of an iris-fixated aphakic anterior chamber lens using wavefront aberrometry.

METHODS

A patient complaining of severe visual blur and distortion due to a decentered Artisan iris-fixated anterior chamber lens was evaluated pre- and postoperatively after recentration. The patient underwent complete ophthalmic evaluation including the measurement of corneal topography and wavefront aberrations using the NIDEK OPD-Scan. OPD Station software was used to correlate and simulate the patient's symptoms.

RESULTS

After the repositioning procedure, the visual symptoms resolved, and high magnitudes of tilt (7.536 microm) and high order aberrations (5.129 microm) were dramatically reduced by simple lens repositioning (4.40-mm pupil). The cylinder magnitude was reduced from 6.25 to 0.75 diopters.

CONCLUSIONS

These are the first diagnostic images of this kind in a highly aberrated eye with iris-fixated anterior chamber lens dislocation. The images documented the optical effect and visual consequences of IOL decentration and subsequent recentration.