Evaluation of conventional spectacles' effect on the development of myopia

Status

Active, not recruiting

Phases

Phase 4

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR-ORC-11001527

Enrollment

Unknown

Registered

2011-06-23

Start date

2010-07-01

Completion date

Unknown

Last updated

2017-04-18

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

Conditions

myopia

Interventions

2:control group: wear single vision spectacles

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Be myopic (short-sighted) -0.50 D minimum spherical component to -3.50 D spherical equivalent, with astigmatism no more than 0.75 D

Exclusion criteria

Exclusion criteria: Be anisometropic by more than 1.50 D;Have undergone atropine treatment for myopia control;Have strabismus and/or amblyopia; Have had previous eye surgery (including strabismus surgery); Have worn bifocal or progressive addition spectacles in the previous 12 months; Have worn orthokeratology contact lenses in the previous 12 months.

Design outcomes

Primary

Measure	Time frame
central refractive error;	—

Secondary

Measure	Time frame
peripheral refractive error;	—

Countries

China

Contacts

Public ContactPadmaja Sankaridurg, Li Li

swimmingpiggy@126.com+86 13922773069

Outcome results

None listed

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