Research Article

Influence of Preoperative Foveal Layers’ Thickness on Visual Function and Macular Morphology by Phacovitrectomy for Epiretinal Membrane

Table 4

Pearson’s correlations (R2) between quantitative fovea parameters in OCT morphotypes of ERM, pre- and postoperative BCVA, and postoperative visual acuity difference with designation of the corresponding significance level ( value). , , and .

OCT morphotypesVisual acuityQuantitative fovea parameters
CFT, µmCONLT, µmCINLT, µmMFT, µm

Group 1, n = 36Preoperative BCVA−0,066, −0,038, 0,084, −0,091,
Postoperative BCVA0,168, 0,149, −0,021, 0,166,
Visual acuity difference0,22, 0,186, −0,064, 0,231,

Group 2, n = 37Preoperative BCVA−0,162, −0,146, −0,111, −0,19,
Postoperative BCVA−0,188, −0,134, −0,092, −0,219,
Visual acuity difference−0,056, −0,012, −0,01, −0,064,

Group 3, n = 80Preoperative BCVA−0,248, −0,065, −0,135, −0,318,
Postoperative BCVA−0,066, −0,136, 0,11, −0,077,
Visual acuity difference0,067, −0,115, 0,186, 0,102,

Group 4, n = 33Preoperative BCVA−0,116, −0,08, −0,005, −0,355,
Postoperative BCVA0,045, 0,025, −0,162, 0,076,
Visual acuity difference0,02, 0,013, −0,192, 0,167,

Group 5, n = 15Preoperative BCVA−0,852, −0,763, −0,683, −0,799,
Postoperative BCVA−0,604, −0,534, −0,466, −0,687,
Visual acuity difference−0,07, −0,052, −0,03, −0,236,

Groups 1–3, n = 153Preoperative BCVA−0,218, −0,163, −0,112, −0,254,
Postoperative BCVA−0,068, −0,163, 0,086, −0,051,
Visual acuity difference0,052, −0,068, 0,15, 0,097,

Groups 4–5, n = 48Preoperative BCVA−0,503, −0,499, −0,329, −0,528,
Postoperative BCVA−0,259, −0,27, −0,189, −0,413,
Visual acuity difference0,087, 0,069, 0,032, −0,077,

ERM: epiretinal membrane, OCT: optical coherence tomography, BCVA: best-corrected decimal far visual, ONL: outer retinal nuclear layer, INL: inner retinal nuclear layer, IPL: inner plexiform retinal layer, CFT: central foveolar retinal thickness, MFT: maximum foveolar retinal thickness, CONLT: central foveolar ONL thickness, CINLT: central foveolar INL thickness, CIPLT: central foveolar IPL thickness, and n: number of patient eyes.