Skip to content

Long-term Clinical Observation And The Analysis of Affecting Factors of Abnormal Vault After V4c ICL Implantation

Long-term Clinical Observation And The Analysis of Affecting Factors of Abnormal Vault After V4c ICL Implantation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500096308
Enrollment
Unknown
Registered
2025-01-21
Start date
2023-05-01
Completion date
Unknown
Last updated
2025-01-27

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

Conditions

None

Interventions

Normal vault group:None
Low vault group:None
High arch group:None

Sponsors

Dalian Third People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1.Patients who voluntarily received V4c central pore ICL implantation in our hospital from June 2015 to December 2018 and received regular follow-up after surgery. 2. The age range was 18 to 45 years. 3. Anterior chamber depth (ACD) of >=2.8mm; white to white corneal diameter (WTW) of >10mm; The intraocular pressure (IOP) range was 10 to 21mmHg; Endothelium cell density (ECD) > 2000cell /mm2.

Exclusion criteria

Exclusion criteria: 1.Patients with cataract, glaucoma, keratoconus, uveitis, retinal detachment, optic neuritis, central serous retinochoroidal disease and other eye diseases; 2.Suffering from diabetes, hypertension and other systemic diseases; 3.Previous history of refractive surgery and internal eye surgery.

Design outcomes

Primary

MeasureTime frame
Vault;Intraocular Pressure,IOP;Endothelial cell density;White-to-white distance, WTW;Lens thickness, LT;Anterior chamber depth, ACD;Anterior chamber volume, ACV;Horizontal sulcus-to-sulcus;Vertical sulcus-to-sulcus;Anterior chamber angle, ACA;The surgery actually uses Implantalble Collamer Lens,ICL Size;Uncorrected visual acuity;Best corrected visual acuity;Spherical equivalent;

Secondary

MeasureTime frame
Condition of the lens;Iris ciliary cyst size;Implantalble Collamer Lens, ICL Size;Spherical;Cylinder ;

Countries

China

Contacts

Public ContactJiaojiao Wang

Dalian Third People's Hospital

doctor_wang1981@163.com+86 181 4115 9210

Outcome results

None listed

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