Evaluation of the effect of implantable collamer lens in the treatment of ametropia

The effect of implantable collamer lens in the treatment of ametropia and the effect on the anterior segment of the eye, comparing with other refractive surgeries

Status

Recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100047020

Enrollment

Unknown

Registered

2021-06-07

Start date

2021-06-16

Completion date

Unknown

Last updated

2022-01-18

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

Conditions

ametropia

Interventions

Experimental group1:ICL implantation

Experimental group2:LASIK surgeries

SMILE group:SMILE group

Eligibility

Sex/Gender

All

Age

10 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Mental health patients with higher compliance agreed to participate in the study and signed the informed consent; 2. Aged >=18 years; 3. The best corrected visual acuity is >=0.8, and the refractive state is stable within 2 years; 4. The refractive error is within the correction range (-0.5 -18.0d); 5. The refractive stroma is clear.

Exclusion criteria

Exclusion criteria: 1. People with mental disorder or unable to understand the risks of surgery or allowed to participate in the study; 2. Corneal degeneration or corneal endothelial cell count 7.0 mm; 5. Suffer from chronic diseases or autoimmune system diseases; 6. With uveitis, cataract, crystal shape and position abnormalities, glaucoma, retinal detachment and other serious eye diseases.

Design outcomes

Primary

Measure	Time frame
Visual indicators;Ocular surface indicators;	—

Secondary

Measure	Time frame
intraocular pressure;cornea indicators;Subjective scales;	—

Countries

China

Contacts

Public ContactChen Haiting

Cangzhou Central Hospital of Hebei

c0bg0he@126.com+86 18031792809

Outcome results

None listed

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