Rotational stability of a new multicomponent intraocular lens.

Autor: Uy HS; Cataract and Refractive Service, Peregrine Eye and Laser Institute, Makati, Philippines.; Department of Ophthalmology and Visual Sciences, University of the Philippines, Manila, Philippines., Tesone-Coelho C; Department of Research & Development, InfiniteVision Optics, Strasbourg, France.
Jazyk: angličtina
Zdroj: Clinical ophthalmology (Auckland, N.Z.) [Clin Ophthalmol] 2019 Sep 26; Vol. 13, pp. 1897-1907. Date of Electronic Publication: 2019 Sep 26 (Print Publication: 2019).
DOI: 10.2147/OPTH.S214835
Abstrakt: Purpose: To evaluate the rotational stability of the Precisight multicomponent intraocular lens (MCIOL) following primary implantation and after enhancement procedures.
Patients and Methods: Prospective, single-center study of eyes that underwent routine cataract surgery with implantation of a non-toric MCIOL, (Precisight, InfiniteVision, Optics, Strasbourg, France). The axis of the MCIOL was measured with a line bisecting the two dialing holes in the front lens. Intraoperative orientation was determined using a digital surgical guidance system while the postoperative orientation was determined using slit-lamp imaging. Two populations were analyzed: eyes that only underwent cataract surgery (PRIM) and eyes that also underwent enhancement (ENH), consisting of surgical front optic exchange. Both populations had 3 observation visits: first implantation (P-Op); 3 months (3mo) and 6 months (6mo) after primary surgery. The ENH group had an additional fourth visit that corresponded to the enhancement surgery (E-Op). The main outcome measure was mean absolute change in MCIOL orientation (degrees). The effects of axial length (AL) and anterior chamber depth (ACD) on IOL rotational stability were examined.
Results: Thirty-three eyes received MCIOL of which 29 had usable orientation images. Of these, 12 were in the PRIM group and 17 underwent ENH. Regarding the mean absolute rotation, among PRIM eyes, P-Op to 3mo was 3.03±2.45 degrees; P-Op to 6mo, 2.28±1.54 degrees; and 3-6mo, 2.37±1.56 degrees. Among the ENH eyes, P-Op to 3mo was 3.09±1.68; E-Op to 6mo, 2.71±3.30 and P-Op to 6mo, 3.62±3.42. There were no significant differences in the IOL rotation. There were no statistical differences in rotational stability between the ENH and PRIM groups. There was no correlation between IOL rotation and AL or ACD.
Conclusion: Precisight appears to be rotationally stable. The enhancement procedure does not affect rotational stability.
Competing Interests: HSU is an investigator and shareholder of InfiniteVision Optics. CT-C is an InfiniteVision Optics employee. The authors report no other conflicts of interest in this work.
(© 2019 Uy and Tesone-Coelho.)
Databáze: MEDLINE
Externí odkaz:
Nepřihlášeným uživatelům se plný text nezobrazuje