Table 1.
Summary of the clinical data from selected articles
| IMT | WA IMT | IOL-VIP System | LMI LMI-SI |
Fresnel Prism Intraocular Lens | iolAMD | Scharioth Macula Lens | |
|---|---|---|---|---|---|---|---|
| Number of cases reported | 3 [6] 40 [7] |
217 [5] | 40 eyes of 35 patients [8] | 6 [9] 3 [10] |
3 [11] | 3 eyes of 2 patients [12] 18 eyes of 12 patients [13] |
8 [14] |
| Mean preoperative visual acuity | 0.15 with no external telescope [6] UDVA 0.1 UNVA 0.11 [7] |
20/80–20/800 [5] | CDVA 1.28 Reading distance (cm) 4.44 [8] |
DVA 1.47 NVA 24.16 [9] no data [10] |
CDVA 0.12 [11] | CDVA 0.08 CNVA 0.03 or less [12] CDVA 0.12 CNVA <0.14 [13] |
CDVA 0.05–0.4 CNVA @ 40 cm 0.18 CNVA @ 15 cm 0.3 [14] |
| Mean postoperative visual acuity | 0.24 after 18 months [6] UDVA 0.2 UNVA 0.22 [7] |
12 months post-op mean 3.43 lines improvement in BCDVA [5] | CDVA 0.77 Reading distance (cm) 12.18 [8] |
DVA 0.94 NVA 75.00 [9] No data [10] |
CDVA 0.1 [11] | CDVA 0.64 CNVA 0.64 [12] CDVA 0.20 CNDA 0.21 [13] |
UNVA @ 15 cm 0.5 [14] |
| Gains in lines or letters | No data [6, 7] | After 60 months: 2.1 lines (>75 years old), 2.7 lines (younger patients) [5] |
Reading distance gain - 7.66 cm [8] | 3.66 lines change in ETDRS score 50.83 [9] no data [10] |
No data, displacement of the scotoma (all patients) [11] | No data [12, 13] | CNVA @ 40 cm - 4.4 lines CNVA @ 15 cm - 2.1 lines [14] |
| Complications | Narrow field of view (all patients) [6] Pupillary cyclitic membrane, synechiae, posterior capsular opacification, corneal edema, hyphema, conjunctivitis, uveitis [7] |
Corneal edema iris damage/ prolapse capsular rupture, removal of the device [5] | None [8] | Slight glare (all patients); shadowing of images that occluded the un-operated eye (2 patients); adapted within 3 months of surgery [9] No data [10] |
Posterior capsule opacification (1 eye) [11] | Diplopia for distance vision (one patient, monocular implantation) [12] In 1 eye, an anterior sulcus IOL was replaced [13] |
None [14] |
UDVA uncorrected distance visual acuity, UNVA uncorrected near visual acuity, CDVA corrected distance visual acuity, CNVA corrected near visual acuity, BCDVAbest corrected distance visual acuity, upper index number of reference