Tolerance to induced astigmatism in pseudophakic eyes implanted with trifocal or extended depth of focus intraocular lenses

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100054362

Enrollment

Unknown

Registered

2021-12-15

Start date

2022-01-01

Completion date

Unknown

Last updated

2023-10-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cataract

Interventions

Trifocal group:None

EDOF group:None

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: (1) Patients implanted with PanOptix Model TFNT00 or Tecnis Symfony ZXR00 intraocular lens in West China Hospital of Sichuan University 3 months above; (2) Adult patients who are 18 years of age or older; (3) logMAR CDVA=0

Exclusion criteria

Exclusion criteria: (1) Any cornea, macula and optic neuropathy before and after surgery; (2) Postoperative PCO, as well as obvious intraocular lens displacement; (3) History of ocular inflammation and other ocular surgery before and after surgery; (4) Postoperative abnormal intraocular pressure (21mmHg) and other conditions that affect visual quality; (5) Patients with poor general condition or other reasons who cannot complete the follow-up plan as required.

Design outcomes

Primary

Measure	Time frame
Visual acuity;Modulation Transfer Function Cutoff Frequency;Strehl Ratio;Patient satisfaction;Object Scatter Index;Best corrected distance visual acuity;Intermediate visual acuity;near visual acuity;Corneal Astigmatism;	—

Secondary

Measure	Time frame
Higher Order Aberrations;Intraocular pressure;Kappa Angle;a Angle;Corneal Spherical Aberration;	—

Countries

China

Contacts

Public ContactFan Wei

West China Hospital, Sichuan University

fanwei55@wchscu.cn+86 189 8060 2135

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026