Trifocal intraocular lenses: a comparison of the visual performance and quality of vision provided by two different lens designs

Figures & data

Table 1 Subject demographics

	FV	PX	P-value
n (patients)	30	30
Age (years)b	58.2±6.6 (45 to 74)	59.4±8.5 (48 to 73)	0.54
Female/male	18/12	15/15	0.43
RLE/cataract	21/9	13/17	0.04a
Follow up (days)b	344±85 (175 to 455)	384±131 (203 to 714)	0.17
Preoperative refraction (SEQ, D)b	−0.96±3.3 (−8.50 to +4.625)	−0.10±2.5 (−7.375 to +4.375)	0.29
IOL power (D)b	20.51±4.45 (10 to 31)	21.43±3.51 (13.5 to 27)	0.22

Notes:

a Statistically significant, chi-squared test, P<0.05;

b Mean ± SD (minimum to maximum).

Abbreviations: FV, FineVision; IOL, intraocular lens; PX, Panoptix; RLE, refractive lens exchange; SEQ, spherical equivalent.

Table 2 Distribution of postoperative refractive error (n=60 in each group, 120 total)

	Within (D)	All (%)	FV (%)	PX (%)
MRSE (absolute)	0.25	67	57	77
	0.50	26	28	23
	0.75	4	8	0
	1.00	3	7	0
Refractive cylinder (absolute)	0.25	73	70	75
	0.50	20	22	18
	0.75	4	7	2
	1.00	3	2	5

Abbreviations: FV, FineVision; MRSE, mean refraction spherical equivalent; PX, Panoptix.

Figure 1 Best distance-corrected binocular defocus curve.

Note: *Statistically significantly different (P<0.05).
Abbreviations: FV, FineVision; PX, Panoptix.

Figure 2 Best distance-corrected visual acuity at different distances.

Note: *Statistically significantly different (P<0.05).
Abbreviations: FV, FineVision; PX, Panoptix.

Table 3 Postoperative results

	FV	PX	P-value
n (patients/eyes)	30/60	30/60
Post-op refraction (SEQ, D)a	0.15±0.39 (−0.125 to +1.00)	0.07±0.26 (−0.875 to +0.875)	0.22
Post-op cylinder (D)a	−0.26±0.25 (−1.00 to 0.00)	−0.23±0.27 (−1.00 to 0.00)	0.49
Uncorrected VA at 4 ma	−0.04±0.07 (−0.18 to 0.14)	−0.05±0.07 (−0.20 to 0.20)	0.46
Preferred reading distance (cm)a	42.3±5.3 (33 to 56)	42.7±4.7 (29 to 51)	0.52
VA at preferred reading distancea	0.11±0.08 (−0.03 to 0.35)	0.07±0.07 (−0.05 to 0.25)	0.04b
Low contrast VAa	0.38±0.07 (0.24 to 0.52)	0.35±0.10 (0.08 to 0.54)	0.10

Notes:

a Mean ± SD (min to max);

b Statistically significant, P<0.05.

Abbreviations: FV, FineVision; Post-op, postoperative; PX, Panoptix; SEQ, spherical equivalent; VA, visual acuity.

Figure 3 Quality of Vision results by lens.

Abbreviations: FV, FineVision; Max, maximum; Min, minimum; PX, Panoptix.