Visual performance, reading ability and patient satisfaction after implantation of a diffractive trifocal intraocular lens

Figures & data

Figure 1 Distribution of 1-month and 3-month postoperative binocular visual outcomes.

Abbreviations: UDVA, uncorrected distance visual acuity; UIVA, uncorrected intermediate visual acuity; UNVA, uncorrected near visual acuity.

Table 1 Postoperative monocular visual outcome

	Preoperative	1 month postoperative	3 months postoperative	p-value (3 months vs preop)
logMAR UDVA	0.51 (0.26)	0.00 (0.01)	0.01 (0.03)	<0.001
	0.49 (0.20–1.00)	0.00 (−0.06–0.06)	0.00 (−0.06–0.15)
logMAR UIVA 80 cm	0.54 (0.28)	0.16 (0.07)	0.14 (0.06)	<0.001
	0.42 (0.10–1.20)	0.20 (0.00–0.30)	0.12 (−0.02–0.26)
logMAR UNVA 40 cm	0.60 (0.25)	0.25 (0.06)	0.21 (0.05)	<0.001
	0.50 (0.24–1.10)	0.26 (0.10–0.40)	0.20 (0.10–0.34)
logMAR CDVA	0.29 (0.15)	0.00 (0.01)	0.01 (0.03)	<0.001
	0.23 (0.20–1.00)	0.00 (−0.06–0.06)	0.00 (−0.06–0.15)

Note: Data presented as mean (SD) and median (range).

Abbreviations: SD, standard deviation; UDVA, uncorrected distance visual acuity; UIVA, uncorrected intermediate visual acuity; UNVA, uncorrected near visual acuity; CDVA, corrected distance visual acuity.

Table 2 Postoperative binocular visual outcome

	Preoperative	1 month postoperative	3 months postoperative	p-value (3 months vs preop)
logMAR UDVA	0.30 (0.14)	0.00 (0.01)	0.00 (0.05)	<0.001
	0.30 (0.10–0.60)	0.00 (−0.05–0.02)	0.00 (−0.06–0.20)
logMAR UIVA 80 cm	0.40 (0.22)	0.13 (0.07)	0.11 (0.07)	<0.001
	0.38 (0.00–0.90)	0.10 (0.00–0.22)	0.10 (−0.08–0.20)
logMAR UNVA 40 cm	0.50 (0.22)	0.21 (0.04)	0.18 (0.05)	<0.001
	0.42 (0.20–0.90)	0.20 (0.10–0.30)	0.20 (0.00–0.20)
logMAR CDVA	0.18 (0.10)	0.00 (0.01)	0.00 (0.05)	<0.001
	0.20 (0.10–0.52)	0.00 (−0.05–0.02)	0.00 (−0.06–0.20)

Note: Data presented as mean (SD) and median (range).

Abbreviations: SD, standard deviation; UDVA, uncorrected distance visual acuity; UIVA, uncorrected intermediate visual acuity; UNVA, uncorrected near visual acuity; CDVA, corrected distance visual acuity.

Table 3 Three-month postoperative binocular reading speed and acuity outcomes

	Photopic conditions	Mesopic conditions	p-value
Reading acuity (logMAR)	0.24 (0.07)	0.35 (0.09)	<0.001
	0.30 (0.10–0.30)	0.40 (0.20–0.50)
Critical print size (logMAR)	0.43 (0.09)	0.54 (0.10)	<0.001
	0.40 (0.20–0.60)	0.50 (0.30–0.70)
Maximum reading speed (words per minute)	177.61 (20.67)	160.31 (19.22)	0.004
	180.17 (125.98–222.4)	162.98 (108.95–198.91)

Note: Data presented as mean (SD) and median (range).

Abbreviation: SD, standard deviation.

Figure 2 Three-month postoperative photopic (A) and mesopic (B) contrast sensitivity.

Note: The gray areas represent the normal ranges of similar age groups under photopic and mesopic conditions.¹⁰
Abbreviations: CS, contrast sensitivity; cpd, cycles per degree.

Figure 3 Three-month postoperative patient satisfaction with the achieved visual quality at far, intermediate, and near distances.

Figure 4 Postoperative frequency of spectacle use at far, intermediate, and distances.

Bilbao-CalabuigRLlovet-RausellAOrtega-UsobiagaJVisual outcomes following bilateral implantation of two diffractive trifocal intraocular lenses in 10 084 eyesAm J Ophthalmol2017179556628456547

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