Interlenticular opacification: Dual-optic versus piggyback intraocular lenses

Abstract

In this rabbit model, ILO was significantly associated with pairs of hydrophobic acrylic lenses implanted in the bag. This study appears to confirm clinical observations that implantation of 2 silicone-plate lenses in the bag is not associated with ILO. There was also a relative lack of ILO with the dual-optic silicone lens.

Prevention of capsular bag opacification with a modified hydrophilic acrylic disk-shaped intraocular lens

“…Design features ensuring a lack of contact between the inner surface of the anterior capsule and the IOL have been incorporated in different IOL models, resulting in decreased ACO. [4][5][6][7][8][9][10] The current study also provides further evidence that contact between the optic and the posterior capsule is not required for PCO prevention, considering the overall design configuration of the study IOL (disk-shaped with a large capsulartension-ring effect around the equator, keeping the bag open). In 2 study IOLs, the optics bulged anteriorly instead of toward the posterior capsule.…”

Causes of intraocular lens opacification or discoloration

“…[48][49][50][51] Interlenticular opacification is the opacification of the opposing surfaces of IOLs implanted in a piggyback manner. To date, all cases analyzed at the John A. Moran Eye Center laboratory seem to be related to 2 posterior chamber IOLs implanted in the capsular bag through a small capsulorhexis, with the margins overlapping the optic edge of the anterior IOL for 360 degrees.…”

Enhancements After Premium IOL Cataract Surgery: Tips, Tricks, and Outcomes

“…For example, interlenticular opacification (ILO) has been reported with the implantation of two acrylic IOLs in the capsular bag. In general, the use of a silicone piggyback IOL placed in the sulcus is recommended to prevent the development of ILO [17]. Pigment dispersion and pigmentary glaucoma have been reported with placement of IOLs with sharp anterior optic edges in the ciliary sulcus [18,19]; hence, the requirement for rounded anterior optic edges on piggyback IOLs [20 •• ].…”