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The Adaptation in Near Response Due to Artificially-Induced Aniseikonia

The Adaptation in Near Response Due to Artificially-Induced Aniseikonia - The Adaptation in Near Response Due to Artificially-Induced Aniseikonia

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000053272
Enrollment
40
Registered
2025-04-01
Start date
2024-02-01
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

Aniseikonia

Interventions

Participants are required to wear size lenses that alter the image size by 5% for approximately one hour The procedure is conducted in a single session

Sponsors

International University of Health and Welfare
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Male and female individuals aged 18 years and over but under 25 at the time of consent acquisition Select non-presbyopic participants

Exclusion criteria

Exclusion criteria: Individuals with ophthalmological disorders other than myopia Individuals with less than 60 seconds of stereopsis as measured by the Titmus Stereo Test Individuals who do not possess decimal visual acuity (1.0) or greater Subjects with an interocular difference in spherical refractive error of more than 2.5 diopters as determined by objective refraction Individuals with astigmatism greater than 2.0 diopters Those with an aniseikonia of 1% or more as measured by the New Aniseikonia Test

Design outcomes

Primary

MeasureTime frame
convergence accommodation(accommodative response,lag of accommodation) pupil size

Secondary

MeasureTime frame
visual fatigue stereopeis

Countries

Japan

Contacts

Public ContactXIAO YANG

International University of Health and Welfare School of Health Sciences Department of Orthoptics and Visual Sciences

23s1183@g.iuhw.ac.jp0287-24-3642

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026