UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000055356
Receipt number R000063261
Scientific Title Directional preferences for dynamic visual acuity in normal subjects
Date of disclosure of the study information 2024/09/01
Last modified on 2025/08/29 19:39:27

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Basic information

Public title

Directional preferences for dynamic visual acuity in normal subjects

Acronym

Examination of directional preferences for dynamic visual acuity

Scientific Title

Directional preferences for dynamic visual acuity in normal subjects

Scientific Title:Acronym

Directional preferences for dynamic visual acuity in normal subjects

Region

Japan


Condition

Condition

healthy subjects

Classification by specialty

Ophthalmology Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the directional preferences of dynamic visual acuity in healthy subjects by examining the dynamic reaction velocity thresholds in each direction in the central fovea.

Basic objectives2

Others

Basic objectives -Others

Directional preferences of dynamic visual acuity

Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Correlation and significant difference of dynamic reaction velocity thresholds in each direction of the dynamic target.

Key secondary outcomes

Correlation and significant difference in eye movement change during confirmation of dynamic target.


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1. Subjects 18 years of age or older who have undergone practical training at the Department of Ophthalmology, Keio University Hospital during the period of this study, who have been fully informed of the purpose and content of the study, who have the capacity to consent, who have voluntarily volunteered to participate in the study upon thorough understanding, and who have agreed to participate in the study in writing

Key exclusion criteria

1. Subjects who have been diagnosed with or are undergoing treatment for dementia or psychiatric disorders
2. Subjects who are unable to undergo accurate examination due to eye disease or other systemic diseases
3. Subjects have a history or suspected or confirmed diagnosis of alcohol or other drug addiction
4. Subjects who are unable to understand the evaluation and the tests/procedures
5. Subjects who, in the judgment of the principal investigator, may be considered incapable of performing the study
6. Subjects who are otherwise deemed unsuitable for the study by the principal investigator, research coordinator, or physician in charge of the study.

Target sample size

50


Research contact person

Name of lead principal investigator

1st name Norimitsu
Middle name
Last name Ban

Organization

Keio University School of Medicine

Division name

Department of Ophthalmology

Zip code

160-8582

Address

35 Shinanomachi, Shinjuku-ku, Tokyo

TEL

0353134132

Email

nban@keio.jp


Public contact

Name of contact person

1st name Norimitsu
Middle name
Last name Ban

Organization

Keio University School of Medicine

Division name

Department of Ophthalmology

Zip code

160-8582

Address

35 Shinanomachi, Shinjuku-ku, Tokyo

TEL

0353134132

Homepage URL


Email

nban@keio.jp


Sponsor or person

Institute

Others

Institute

Department

Personal name



Funding Source

Organization

Others

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Keio University School of Medicine, Ethics Committee

Address

35 Shinanomachi, Shinjuku-ku, Tokyo

Tel

03-3353-1211

Email

med-rinri-jimu@adst.keio.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2024 Year 09 Month 01 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Enrolling by invitation

Date of protocol fixation

2024 Year 06 Month 20 Day

Date of IRB

2024 Year 08 Month 26 Day

Anticipated trial start date

2024 Year 08 Month 27 Day

Last follow-up date

2026 Year 07 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This is an observational study and subjects who meet the criteria can be enrolled.


Management information

Registered date

2024 Year 08 Month 28 Day

Last modified on

2025 Year 08 Month 29 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000063261