Comparative evaluation of rotational stability of Toric IOLs with two different capsular tension rings in eyes with high myopia

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000029963

Enrollment

Unknown

Registered

2020-02-17

Start date

2019-06-01

Completion date

Unknown

Last updated

2020-02-25

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

Conditions

Cataract surgery

Interventions

A:implantation of four-eyelet capsular tension ring

B:implantation of two-eyelet capsular tension ring

Eligibility

Sex/Gender

All

Age

51 Years to 81 Years

Inclusion criteria

Inclusion criteria: 1. aged >=18 years old; 2. visually significant cataracts; 3. regular corneal astigmatism >=1.5D and ocular axial length >=25.5mm; 4. informed consent obtained.

Exclusion criteria

Exclusion criteria: 1. irregular astigmatism; 2. any corneal pathology, subluxated lenses, uveitis, posterior segment pathology (e.g., macular degeneration or retinopathy), glaucoma; 3. a specular microscopy endothelial count < 2000 cells/mm2 and prior corneal or ocular surgery; 4. pathology of iris.

Design outcomes

Primary

Measure	Time frame
postoperative astigmatism;	—

Countries

China

Contacts

Public ContactLiming Tao

the Second Hospital Affiliated to Anhui Medical University

taolimingchina@163.com+86 13605517183

Outcome results

None listed

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