Trial Outcomes & Findings for Symfony Toric Intraocular Lens Visual Outcomes (NCT NCT03082599)

NCT ID: NCT03082599

Last Updated: 2020-01-27

Results Overview

Visual acuity with correction (glasses) measured at 40 cm.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

120 participants

Primary outcome timeframe

3 months

Results posted on

2020-01-27

Participant Flow

A total of 120 patients were enrolled and randomized; however, data from only 79 patients was analyzed due to major procedural issues at one site. One patient in the Emmetropia group missed the 3-month visit.

Participant milestones

Participant milestones
Measure
Emmetropia Both Eyes (OU) Group
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Overall Study
STARTED
40
39
Overall Study
COMPLETED
39
39
Overall Study
NOT COMPLETED
1
0

Reasons for withdrawal

Reasons for withdrawal
Measure
Emmetropia Both Eyes (OU) Group
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Overall Study
Lost to Follow-up
1
0

Baseline Characteristics

Symfony Toric Intraocular Lens Visual Outcomes

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Emmetropia Both Eyes (OU) Group
n=40 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Total
n=79 Participants
Total of all reporting groups
Age, Continuous
68.3 years
STANDARD_DEVIATION 7.1 • n=5 Participants
69.0 years
STANDARD_DEVIATION 9.3 • n=7 Participants
68.7 years
STANDARD_DEVIATION 8.2 • n=5 Participants
Sex: Female, Male
Female
23 Participants
n=5 Participants
17 Participants
n=7 Participants
40 Participants
n=5 Participants
Sex: Female, Male
Male
17 Participants
n=5 Participants
22 Participants
n=7 Participants
39 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
40 Participants
n=5 Participants
39 Participants
n=7 Participants
79 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
3 Participants
n=5 Participants
3 Participants
n=7 Participants
6 Participants
n=5 Participants
Race (NIH/OMB)
White
37 Participants
n=5 Participants
36 Participants
n=7 Participants
73 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
40 Participants
n=5 Participants
39 Participants
n=7 Participants
79 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Visual acuity with correction (glasses) measured at 40 cm.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=39 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Binocular Distance-corrected Near (40 cm) Visual Acuity.
0.30 diopters
Standard Deviation 0.14
0.26 diopters
Standard Deviation 0.13

PRIMARY outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=39 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Reduction of Manifest Cylinder (Diopters).
1.15 diopters
Standard Deviation 0.77
1.38 diopters
Standard Deviation 0.80

SECONDARY outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Visual acuity without correction (no glasses) measured at 40 cm.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=39 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Uncorrected Near (40 cm) Visual Acuity
0.25 diopters
Standard Deviation 0.12
0.19 diopters
Standard Deviation 0.12

SECONDARY outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Visual acuity without correction (no glasses) measured at 66 cm.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=39 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Uncorrected Intermediate (66 cm) Visual Acuity
0.06 diopters
Standard Deviation 0.10
0.04 diopters
Standard Deviation 0.08

SECONDARY outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Visual acuity without correction (no glasses) measured at 4 m.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=39 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Uncorrected (4 m) Visual Acuity
-0.03 diopters
Standard Deviation 0.08
-0.02 diopters
Standard Deviation 0.08

SECONDARY outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Percentage of patients who reported any visual symptoms such as halos, glare, starburst, light sensitivity when answering the self administered questionnaire.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=39 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Modified Patient-Reported Visual Symptoms Questionnaire (PRVSQ)
100 percentage of participants
97.4 percentage of participants

SECONDARY outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Percentage of participants who reported wearing glasses none or a little of the time in the self administered questionnaire.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=39 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Patient Reported Spectacle Independence Questionnaire
64.8 percentage of participants
92.3 percentage of participants

OTHER_PRE_SPECIFIED outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=39 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Residual Mean Spherical Equivalent Refraction
-0.20 diopters
Standard Deviation 0.22
-0.33 diopters
Standard Deviation 0.33

OTHER_PRE_SPECIFIED outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=39 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Residual Refractive Sphere
-0.30 diopters
Standard Deviation 0.20
-0.48 diopters
Standard Deviation 0.37

OTHER_PRE_SPECIFIED outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=39 Participants
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=39 Participants
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Residual Refractive Cylinder
0.20 diopters
Standard Deviation 0.25
0.29 diopters
Standard Deviation 0.27

OTHER_PRE_SPECIFIED outcome

Timeframe: 3 months

Population: One subject in the emmetropia group missed the Month 3 visit.

Outcome measures

Outcome measures
Measure
Emmetropia Both Eyes (OU) Group
n=78 Eyes
Symfony Toric IOL target refraction both eyes emmetropia (±0.25D). Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Nanovision Group
n=78 Eyes
Symfony Toric IOL target refraction for the dominant eye will be plano (±0.25D) and for the non-dominant eye -0.50 ±0.16 D. Presbyopia and astigmatism correcting intraocular lens: The Symfony Toric IOL (ZXTx) is an extended depth of focus (EDOF) IOL design to improve the sharpness of vision at near, intermediate and far distances reducing the need of glasses after cataract surgery in patients with astigmatism.
Percentage of Eyes With Postoperative Manifest Refraction Spherical Equivalent (MRSE) Accuracy to Target ≤ 0.5D
100 percentage of eyes
88.4 percentage of eyes

Adverse Events

Emmetropia Both Eyes (OU) Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Nanovision Group

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Helga P Sandoval, Director of Research

Carolina Eyecare Physicians, LLC

Phone: 8438813937

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place