Progression of Axial Myopia in Childhood is Associated with Blurring of Peripheral Retinal Image due to Hyperopic Defocus, not due to Higher-order Aberration

Progression of Axial Myopia in Childhood is Associated with Blurring of Peripheral Retinal Image due to Hyperopic Defocus, not due to Higher-order Aberration - Progression of Axial Myopia in Childhood is Associated with Blurring of Peripheral Retinal Image due to Hyperopic Defocus, not due to Higher-order Aberration

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000006743

Enrollment

Registered

2011-11-19

Start date

2011-12-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

axial myopia, emmetropia eye

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Normal children without the ocular history except refractive error.

Exclusion criteria

Exclusion criteria: Children with binocular vision conditions with strabismus, any ocular or systemic condition associated with myopia (e.g., Marfan syndrome, retinopathy of prematurity, etc), a history of orthokeratology lens wear, bifocal or progressive addition spectacles in the past 12 months, atropine treatment for myopia control, or known allergy to tropicamide or phenylephrine were excluded from this study.

Design outcomes

Primary

Measure	Time frame
The change in axial length, refraction and peripheral optical quality	—

Countries

Japan

Contacts

Public ContactYamaguchi Takefumi

Tokyo Dental College Department of Ophthalmology

yama19770614@hotmail.com

Outcome results