J Korean Ophthalmol Soc.  2020 Sep;61(9):1035-1041. 10.3341/jkos.2020.61.9.1035.

Clinical Results of Femtosecond Laser-assisted Cataract Surgery in Eyes with Posterior Chamber Phakic Intraocular Lens

  • 1Sungmo Eye Hospital, Busan, Korea


To investigate the clinical results of femtosecond laser-assisted cataract surgery (FLACS) in eyes previously implanted with a posterior chamber phakic intraocular lens (PIOLs).
The medical records of 27 eyes were retrospectively reviewed. Each eye had history of implantation of posterior chamber PIOLs and newly got FLACS. Complications of intraoperative anterior capsulotomy and lens fragmentation were investigated. Uncorrected and corrected visual acuities (UCVA and BCVA), keratometric and manifest refraction (MR) values were compared preoperatively and postoperatively 1 day, 2 months and 6 months.
All eyes completed anterior capsulotomy without any intraoperative complication. However, 13 eyes out of 18 eyes experienced incomplete lens fragmentation. Vaultings of 5 eyes with complete lens fragmentation were 460.40 ± 199.11 μm (0.84 ± 0.35 corneal thickness [CT]) and vaultings of the other 13 eyes with incomplete lens fragmentation were 225.85 ± 151.2 μm (0.43 ± 0.29 CT). 2 eyes with vaultings of 460 μm and 412 μm failed to complete lens fragmentation due to corneal opacity. All eyes could be completed whole surgery without additional complications.
FLACS in eyes with posterior chamber PIOLs is useful to execute anterior capsulotomy. However, there is a limitation in doing lens fragmentation because of bubble accumulated under PIOLs.


Anterior capsulotomy; Femtosecond laser-assisted cataract surgery; , Lens fragmentation; Posterior chamber phakic intraocular lens; Vaulting
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