PURPOSE
To measure optically and pharmacologically induced movement of an
optic-shift intraocular lens (HumanOptics 1CU).
METHODS
The change in position as well as the accommodative effect of the
1CU was determined using an anterior chamber laser interferometer (Zeiss
ACMaster) in 15 eyes of 9 patients. Accommodation was induced by optical
stimulus and pharmacologically by pilocarpine 2%.
RESULTS
The mean forward movement due to optical-induced accommodation
stimulation was 5±14 µm (range: –10 to +40 µm). Pharmacological
stimulation with 2% pilocarpine caused mean anterior movements of 93±162
µm (range: –321 to +402 µm).
CONCLUSIONS
A maximum accommodative effect of 0.50 diopters was measured
with this method. This relatively small accommodative effect of the 1CU is in
agreement with other studies. Pharmacologically induced optic shift differs
significantly from optically induced shift and allows no conclusion on a
clinically expected accommodative effect. [J Refract Surg. 2009;25:416-420.]
DOI:10.9999/1081597X-20090422-03
AUTHORS
From Eye Hospital Bellevue, Kiel (Uthoff, Holland, Hepper, Gulati);
University of Applied Sciences, Jena (Koch); and University Eye Hospital,
Würzburg (Haigis), Germany.
The authors have no financial or proprietary interest in the materials
presented herein.
Correspondence: Detlef Uthoff, MD, FSES, FABI, Eye Hospital Bellevue,
Lindenallee 21, 24105 Kiel, Germany. Tel: 49 431 301080; Fax: 49 431 3010840;
E-mail: uthoff@augenklinik-bellevue.de
Received: July 17, 2006; Accepted: June 10, 2008
Posted online: August 15, 2008
