Authors
Tetsutaro Oki, Koji Komatsu, Yuri Shinohe, Yoshiaki Kabata, Kotaro Oki, Tadashi Nakano
Published in
Clinical ophthalmology (Auckland, N.Z.). Volume 20. Pages 644954. Epub Oct 15, 2026.
Abstract
To evaluate the feasibility of contrast sensitivity (CS) testing using a head-mounted binocular perimeter (IMO vifa) and to describe postoperative CS in eyes implanted with three types of intraocular lenses (IOLs).
This retrospective single-center study included 102 eyes of 71 patients who underwent uncomplicated cataract surgery with implantation of a segmented refractive IOL (Lentis Comfort [LC], 38 eyes), an enhanced monofocal IOL (Tecnis Eyhance DIB00V [DIB], 33 eyes), or a standard monofocal IOL (Tecnis DCB00V [DCB], 31 eyes). CS was measured in each eye with both eyes open under photopic room lighting 1 month postoperatively, and the area under the log CS function (AULCSF) was calculated. Groups were compared using age-adjusted linear regression accounting for inter-eye correlation.
Testing required approximately 5 min per patient. Mean AULCSF was 1.35 ± 0.27, 1.19 ± 0.26, and 1.30 ± 0.24 in the LC, DIB, and DCB groups, respectively. No statistically significant difference was detected among the groups after age adjustment (p = 0.304). Compared with DCB, the adjusted differences were 0.017 (95% CI -0.113 to 0.148) for LC and -0.082 (95% CI -0.213 to 0.049) for DIB.
CS testing with the IMO vifa was feasible at routine postoperative visits under ambient room lighting. Further prospective studies are needed to assess its repeatability and agreement with established CS tests.
PMID:
42903087
Bibliographic data and abstract were imported from PubMed on 22 Oct 2026.
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