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Table 2 Reasons for explantation of phakic intraocular lenses

From: Reasons for explantation of phakic intraocular lenses and associated perioperative complications: cross-sectional explant registry analysis

Cause

Number of cases (percentage)

Group 1, N = 34

Group 2, N = 28

Group 3, N = 7

Cataract

12 (35.3)

14 (50)

3 (42.9)

Cornea-related

9 (26.5)

3 (11)

 

Cataract combined with corneal damage

9 (26.5)

5 (18)

1 (14.3)

Type of Cataract

Anterior subcapsular

2 (10)

 

1 (25)

Cortico-nuclear

5 (24)

7 (37)

 

Nuclear

10 (47)

5 (26)

2 (50)

Posterior subcapsular

4 (19)

7 (37)

1 (25)

Type of corneal damage#

Corneal decompensation

2 (11)

  

Low ECC

6 (33)

1 (12)

 

Endothelial damage

10 (56)

7 (88)

1 (100)

Uveal tissue-related

4 (11.8)

6 (21)

 

Type of uveal-relation

PIOL subluxation due to haptic de-enclavation

 

5 (83)

 

Optic decentration due to haptic migration

2 (50)

  

Chronic iridocyclitis

2 (50)

1 (17)

 

Oversizing (leading to intermitted IOP increase and pigment dispersion)

  

1 (14.3)

Photopic phenomena

  

2 (28.6)

  1. pIOL phakic intraocular lens, ECC endothelial cell count, IOP intraocular pressure; # divided into three subcategories: Corneal decompensation was chosen if keratoplasty was required, low ECC if the number of cells prior to explantation was below 1500 cells/mm2. Endothelial damage: the presence of abnormal endothelial cell morphology but Low ECC and corneal decompensation are absent