Clinical outcomes of Visian Implantable Collamer Lens (ICL V4c) implantation for ametropia

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900025819

Enrollment

Unknown

Registered

2019-09-09

Start date

2019-09-10

Completion date

Unknown

Last updated

2019-09-16

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

Conditions

ametropia

Interventions

1:ICL implantation

2:ICL implantation+Smile

3:ICL implantation+CXL

4:ICL implantation+other refractive surgery

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Aged 18 or more years; met surgical requirements for ICL V4c implantation through preoperative examinations.

Exclusion criteria

Exclusion criteria: Corneal endothelial cell density (ECD) <= 2000 cell/mm2; any history of cataract, glaucoma, retinal detachment, neuro-ophthalmic diseases, or ocular inflammatory diseases.

Design outcomes

Primary

Measure	Time frame
Visual acuity;corneal endothelial cell;Corneal tomography;Intraocular pressure;Coreneal thickness;OCT observation;optical quality;efficacy;safety;biomechanical changes;	—

Countries

Shanghai

Contacts

Public ContactXingtao Zhou

Department of Ophthalmology, Eye and ENT Hospital of Fudan University

doctzhouxingtao@163.com+86 13816880725

Outcome results

None listed

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