Myopia control trial with progressive addition lenses in Japanese schoolchildren

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN28611140

Enrollment

Registered

2006-07-06

Start date

2002-07-01

Completion date

Unknown

Last updated

2022-11-07

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

Conditions

Early-onset myopia Eye Diseases Myopia

Interventions

Full-time wearing progressive addition lenses with near addition power of 1.50D (SOLA Myopia Control [MC] lens, Sola International) versus control group receiving single focus lenses.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Experience of wearing spectacles to correct myopia 2. Non-cycloplegic autorefraction (Spherical Equivalent [SE]) from -6.00 to -1.25 D 3. Astigmatism less than 1.50 D 4. Aniseiconia less than 1.50 D 5. Best-corrected visual acuity more than 20/20 6. No manifest strabismus with refractive correction 7. Birth weight more than 1250 g 8. No eye disease except for refractive errors 9. No experience of wearing progressive addition lenses or contact lenses

Exclusion criteria

Exclusion criteria: Appearance of manifest strabismus under refractive correction.

Design outcomes

Primary

Measure	Time frame
Cycloplegic autorefraction (D).	—

Secondary

Measure	Time frame
Axial length measurement (mm).	—

Countries

Japan

Outcome results

None listed

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