Comparison Of Visual Outcomes Of Two Advance Monofocal Iols Based On Different Optical Principles

Advance Monofocal IOLs are part of ophthalmic surgeon’s armamentarium . Many advance Monofocal IOLs with different optical principles are available . The purpose of this study is to compare  outcomes for distance and near vision between two advance Monofocal IOLs with different optical principles . We also try to define selection criteria for advance Monofocal IOLs.

Single surgeon private practice setup 

We included data from 82 eyes of 54 patients in the study. Of these, 38 (46%) were right eye. All eye underwent Microincision phacoemulsification with impantation of advance monofocal IOL, all cases were uneventful.

The Eyhance IOL was implanted in 44 eyes (54%) and the RAYNER IOL in the remaining 38 eyes (46%).

The mean distance visual acuity (BCDVA) improved from 0.9+0.5 logMAR (20/200 Snellen’s equivalent) to 0.1+0.2 logMAR units (20/25 Snellen’s equivalent) four weeks post-surgery (p<0.001). Similarly, the near visual acuity improved from 1.0+0.12 logMAR (N24 Snellen’s equivalent) preop to 0.6+0.2 logMAR (N12 6/60 Snellen’s equivalent) at four weeks (p<0.001).

The preoperative distance vision in both groups was similar;however, eyes implanted with the Rayner IOL exhibited notably superior vision at four weeks, showing nearly a one-line difference (20/32 vs 20/25 Snellen’s equivalent, p=0.04).Likewise, though comparable preop, the Rayner group demonstrated improved uncorrected near vision, once more with a one-line difference (N12 vs. N10, p=0.05).

The Rayner group also showed a greater change in vision, for both distance and near, from pre- to post-operation, although this difference was not statistically significant between groups.

Despite similar preoperative characteristics, eyes implanted with the Rayner IOL demonstrate significantly superior distance and near vision compared to those with the Eyhance IOL, with an improvement of one line in each case.