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A study on the prognosis of DALK in keratoconus with different cone positions

A study on the prognosis of DALK in keratoconus with different cone positions

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500104938
Enrollment
Unknown
Registered
2025-06-25
Start date
2025-01-10
Completion date
Unknown
Last updated
2025-06-30

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

Conditions

keratoplasty

Interventions

Central group:NO
Para-central group:NO

Sponsors

Ophthalmology Hospital of the First Affiliated Hospital of Harbin Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: Keratoconus patients with similar preoperative disease progression status who underwent DALK from 2015 to 2023 and complete preoperative and postoperative data were included. At least one year after operation, the stitching was completely removed for half a year.

Exclusion criteria

Exclusion criteria: Exclusion criteria: Patients with other related eye diseases, such as keratoconjunctivitis, glaucoma, cataract, retinal diseases and strabismus, were excluded.

Design outcomes

Primary

MeasureTime frame
visual acuity;refraction;—

Secondary

MeasureTime frame
Biomechanical parameters;—

Countries

China

Contacts

Public ContactZhang Hong

Ophthalmology Hospital, the First Affiliated Hospital of Harbin Medical University, Harbin City, Heilongjiang Province

zhanghong@hrbmu.edu.cn+86 138 0450 5456

Outcome results

None listed

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