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. 2021 Jul;41(7):2485-2494.
doi: 10.1007/s10792-021-01803-3. Epub 2021 Mar 22.

Temporary changes of visual outcomes and anterior chamber parameters after phacoemulsification and low-add-power segmented intraocular lens implantation for primary angle closure disease

Yohei Chikaraishi  1 , Yoshikuni Arakaki  2 , Hideki Koizumi  2
Affiliations

Temporary changes of visual outcomes and anterior chamber parameters after phacoemulsification and low-add-power segmented intraocular lens implantation for primary angle closure disease

Yohei Chikaraishi et al. Int Ophthalmol. 2021 Jul.

Abstract

Purpose: To evaluate the temporary changes in visual outcomes and anterior segment parameters after cataract surgery plus low-add bifocal intraocular lens (IOL) implantation for primary angle closure disease (PACD).

Methods: This retrospective comparative case-control study included two groups: low-add-power segmented IOL and monofocal IOL. Postoperative examination involved evaluation of uncorrected distance visual acuity (UDVA), uncorrected near visual acuity (UNVA), uncorrected intermediate visual acuity (UIVA), and spherical equivalent (SE). Anterior segment examination was performed using anterior segment optical coherence tomography.

Results: This study included 19 eyes of 11 consecutive patients who underwent cataract surgery. The low-add group had better UDVA than the monofocal group at 3 months postoperatively, better UIVA at 1 month postoperatively, better UNVA at 1 week postoperatively. In the low-add group, SE increased at 1 and 3 months postoperatively compared with 1 week postoperatively. In the monofocal group, objective SE decreased at 1 and 3 months postoperatively compared with 1 week postoperatively. In the low-add group, the anterior chamber depth (ACD) became significantly deep gradually at 1 and 3 months compared with at 1 week postoperatively. In the monofocal group, the ACD became significantly shallow gradually at 1 and 3 months than at 1 week postoperatively.

Conclusion: The low-add-power segmented IOL achieved better far and intermediate distance visual acuity after cataract surgery in PACD patients than did the monofocal IOL. The ACD became deeper and SE showed a hyperopic shift with the low-add-power segmented IOL at 1 and 3 months after cataract surgery compared with at 1 week after cataract surgery.

Keywords: Anterior chamber; Cataract surgery; Hydrophilic; Low-add-power IOL; PACD.

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