UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000049527
Receipt number R000056395
Scientific Title Measurement experiment of the angle of convergence when watching videos on a smartphone
Date of disclosure of the study information 2023/01/10
Last modified on 2022/11/16 12:51:48

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Measurement experiment of the angle of convergence when watching videos on a smartphone

Acronym

Measurement experiment of the angle of convergence when watching videos on a smartphone

Scientific Title

Measurement experiment of the angle of convergence when watching videos on a smartphone

Scientific Title:Acronym

Measurement experiment of the angle of convergence when watching videos on a smartphone

Region

Japan


Condition

Condition

No disease
Healthy adult

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Elucidating the pathogenesis of acute esotropia by analyzing the angle of convergence (degree of cross-eyedness) during video viewing.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Using SiB eye tracking to measure changes in viewing distance and angle of convergence for 30 minutes while watching a video on a smartphone.

Key secondary outcomes

Objective refraction test, binocular visual function test, binocular vision test


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Self control

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Device,equipment

Interventions/Control_1

SiB eye-tracking is used to measure changes in viewing distance and angle of convergence for 30 minutes while watching videos on a smartphone.Comparative study of changes in convergence angle due to video type and speed.

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

20 years-old <=

Age-upper limit

25 years-old >=

Gender

Male and Female

Key inclusion criteria

College students who use smartphones on a daily basis.Those who are interested in research in the area of visual function and voluntarily apply as subjects.

Key exclusion criteria

There are no exclusion criteria.

Target sample size

300


Research contact person

Name of lead principal investigator

1st name Masako
Middle name
Last name Ishii

Organization

Niigata University of Health and Welfare

Division name

Department of Visual Science, Faculty of Medical Technology

Zip code

950-3198

Address

1398 Shimamicho, Kita ku, Niigata City

TEL

025-257-4533

Email

ishii@nuhw.ac.jp


Public contact

Name of contact person

1st name Masako
Middle name
Last name Ishii

Organization

Niigata University of Health and Welfare

Division name

Department of Visual Science, Faculty of Medical Technology

Zip code

950

Address

1398 Shimamicho, Kita ku, Niigata City

TEL

025-257-4533

Homepage URL


Email

ishii@nuhw.ac.jp


Sponsor or person

Institute

Niigata University of Health and Welfare

Institute

Department

Personal name



Funding Source

Organization

Japan Science and Technology Agency

Organization

Division

Category of Funding Organization

Government offices of other countries

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Niigata University of Health and Welfare

Address

1398 Shimamicho, Kita ku, Niigata City

Tel

025-257-4533

Email

ishii@nuhw.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

2023 Year 01 Month 10 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

Preinitiation

Date of protocol fixation

2022 Year 11 Month 01 Day

Date of IRB


Anticipated trial start date

2022 Year 12 Month 01 Day

Last follow-up date

2024 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2022 Year 11 Month 16 Day

Last modified on

2022 Year 11 Month 16 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000056395


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name