Table 2

Clinical parameters and biometric values of the eyes before and after the implantable collamer lens V4c implantation

CharacteristicsPreoperative1-month follow-up3-month follow-upLast follow-up
UDVA (logMAR), range (min, max)NA0.09±0.22†
(−0.18, 1.00)
0.08±0.21‡
(−0.18, 1.00)
0.18±0.25†‡
(−0.18, 1.30)
CDVA (logMAR), range (min, max)0.095±0.17
(−0.08, 1.00)
0.01±0.14*
(−0.18, 0.82)
0.00±0.16*
(−0.18, 1.00)
0.00±0.15*
(−0.18, 1.00)
Spherical equivalent (D), range (min, max)−13.52±3.78
(−22.88, −5.63)
−0.54±0.82*†
(−4.25, 0.88)
−0.62±0.84*
(−4.50, 1.00)
−0.99±0.77*†‡
(−4.13, 0.00)
ACD (mm), range (min, max)3.11±0.32
(2.60, 3.97)
2.90±0.37*
(1.62, 3.86)
2.93±0.33*
(2.15, 3.81)
2.88±0.34*
(1.92, 3.81)
IOP (mm Hg), range (min, max)14.87±2.64
(8.40, 22.7)
14.03±1.95*
(10.10, 17.80)
15.29±2.18*
(9.4, 20.2)
15.21±2.45
(9.90, 21.00)
ACV (μL), range (min, max)181.48±37.37
(62.80, 296.00)
107.19±23.97*
(46, 190)
106.88±24.23*‡
(62.00, 198.00)
116.63±24.84*‡
(65.00, 200.00)
ACA (°), range (min, max)37.03±6.15
(21.10, 47.70)
21.50±5.05*
(9.10, 33.70)
20.89±5.46*
(10.40, 36.10)
22.35±4.70*
(13.10, 37.30)
ECD (cells/mm2), range (min, max)2930.41±480.42
(2043.00, 4132.00)
NA2728.89±355.52*‡
(2013.00, 3932.00)
2521.91±201.53*‡
(2008.00, 3198.00)
Vault (μm), range (min, max)NA515.38±188.40
(180, 880)
504.62±191.64
(120, 850)
445.00±214.00‡
(90, 860)
  • *Versus preoperative, p<0.05.

  • †1-month follow-up versus last follow-up, p<0.05.

  • ‡3-month follow-up versus last follow-up, p<0.05.

  • ACA, anterior chamber angle; ACD, anterior chamber depth; ACV, anterior chamber volume; CDVA, corrected distance visual acuity; ECD, endothelium cell density; IOP, intraocular pressure; logMAR, logarithm of the minimum angle of resolution; NA, not available; SE, spherical equivalent; UDVA, uncorrected distance visual acuity.