Comparison Of Performance Of The Spiral Iol In Highly Myopic Patients Vs Hyperopic Patients

To analyze the performance and satisfaction after a spiral intraocular lens (IOL) implantation in patients with high myopia vs hyperopic patients.

Single center real-world study conducted at Guatemala City, in patients with high–myopia and compared with results in hyperopic eyes after undergoing cataract surgery with implantation of presbyopia-correcting spiral intraocular lenses.

A retrospective study of 34 eyes after spiral IOL implantation in HIGH-Myopic (HM) patients vs hyperopic (HYP) patients was conducted at a single institution by one surgeon. Patients were grouped into high myopia (≤ −5.00D, axial length (AXL) >25.0mm) and hyperopic patients (≥+0.00D, AXL <24.5mm). Exclusion criteria macular pathology, glaucoma, corneal disease. Refractive outcomes spherical equivalent (SE), uncorrected distance visual acuity (UDVA), uncorrected intermediate and near visual acuity (UIVA/UNVA), and patient satisfaction surveys were compared. Correlations between biometer data, central macular thickness (CMT) and visual outcomes were evaluated using multivariate regression.

At 3 months, a total of 34 eyes were included in the study (12 HM and 22 HYP). The AXL, sphere, ACD and IOL power selected were 27.01 ± 0.45 mm, -7.4 ± 5.06D, 3.02 ±0.28mm and 12.66 ± 4.69D in the HM group vs 22.77 ± 1.11 mm, +2.51 ±1.86 D, 2.74 ±0.17mm and 21.89 ± 1.84D in the HYP group (p<0.001) resp. HM vs HYP postoperatively were UDVA 0.09 ±0.07logMAR vs 0.04 ±0.07logMAR, UIVA 0.08 ±0.11logMAR vs 0.04 ±0.08logMAR, UNVA 0.03 ±0.06logMAR vs 0.00 ±0.07logMAR, and SE 0.39 ±0.14D vs 0.31 ±0.10D no difference between both groups (p>0.05). Significant difference with CMT between both groups (273.5 ±27.5µm vs 229.18±14.9µm) p<0.001 but no association with VA. Patient satisfaction and dysphotopsias symptoms were similar between both groups.

This spiral refractive IOL demonstrated to be safe with high levels of satisfaction and optimal performance of visual acuity at all distances in the presence of high axial myopia as well in hyperopic patients. No biometer measurements showed a significant correlation between visual acuity and residual refractive error in both groups.