Safety of one-step viscoelastic agent technique for posterior chamber phakic implantable collamer lens with a central hole (ICL V4c) implantation for myopia

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR1900024713

Enrollment

Unknown

Registered

2019-07-23

Start date

2019-07-23

Completion date

Unknown

Last updated

2019-08-27

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

Conditions

myopia

Interventions

1:One-step viscoelastic agent technique for ICL V4c implantation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Aged from 18 or more years; diagnosed as refractive error,including myopia and astigmatism; with strong desire of myopia correction; 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 ocular surgery, cataract, glaucoma, amblyopia, retinal detachment, neuro-ophthalmic diseases, or ocular inflammatory diseases.

Design outcomes

Primary

Measure	Time frame
Visual acuity;corneal endothelial cell;Corneal tomography;Intraocular pressure;	—

Countries

China

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