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Derivation and validation of a new vault prediction formula for Implantable Collamer Lens implantation

Derivation and validation of a new vault prediction formula for Implantable Collamer Lens implantation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200065501
Enrollment
Unknown
Registered
2022-11-07
Start date
2022-11-13
Completion date
Unknown
Last updated
2023-05-15

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

Conditions

High myopia

Interventions

ICL:ICL implantation

Sponsors

Hu'nan Provincial People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-45 2. Stable diopter for more than two years (annual diopter < 0.50D) All non-astigmatic ICL are placed horizontally: Astigmatic ICL are placed horizontally or in an oblique position with an axis of rotation <= 10° 3. All the images obtained by UBM can be measured clearly and accurately by software 4. Vault was stable three months after operation.

Exclusion criteria

Exclusion criteria: 1. Ciliary cysts, previous refractive surgery history, keratoconus, corneal endothelial dystrophy and any other keratopathy affecting visual acuity and instrumental examination of ocular diseases

Design outcomes

Primary

MeasureTime frame
Vault;—

Countries

China

Contacts

Public ContactHua Wang

Hu'nan Provincial People's Hospital

wanghuaeye@163.com+86 13808465859

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 10, 2026