Effect of Orthokeratology on Myopia Progression in French Children

Central Hospital, Nancy, France

Status: Completed

Conditions: Myopia Progression

Treatments: Device: single-vision spectacle correction; Device: orthokeratology

Study type: Observational

Funder types: Other

Identifiers

NCT05700240

2022PI090

Details and patient eligibility

About

To evaluate and to compare the effect of orthokeratology (OK) on axial elongation in French myopic children.

Enrollment: 64 patients

Sex: All

Ages: 7 to 17 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• 7 to 17 years old
• Myopia between 0,50 D and 7.00 D
• Astigmatism ≤ 4.00 D with-the-rule 180+-20
• Anisometropia ≤ 1.50 D
• Myopia evolution ≥ 0.25 D over 6 months
• Best-corrected visual acuity (BCVA) ≥ 20/20 (Snellen equivalent)
• Follow-up period > 6 months

Exclusion criteria

• Prior history of any other myopia control treatment (except for single vision distance spectacles)
• Contraindication for contact lens wear or orthokeratology
• Preexisting ocular (amblyopia, strabismus, ocular inflammation, trauma, or surgery) or systemic disease
• Poor compliance to lens wear, examination or follow-up

Trial design

64 participants in 2 patient groups

Orthokeratology treatment

Treatment:

Device: orthokeratology

single-vision spectacle correction

Treatment:

Device: single-vision spectacle correction