UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000057449 |
|---|---|
| Receipt number | R000065642 |
| Scientific Title | Observational study on the relationship between visual display terminal (VDT) working hours and eye focusing function. |
| Date of disclosure of the study information | 2025/05/06 |
| Last modified on | 2025/03/30 11:40:47 |
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Basic information
Public title
Observational study on the relationship between visual display terminal (VDT) working hours and eye focusing function.
Acronym
Observational study on the relationship between visual display terminal (VDT) working hours and eye focusing function.
Scientific Title
Observational study on the relationship between visual display terminal (VDT) working hours and eye focusing function.
Scientific Title:Acronym
Observational study on the relationship between visual display terminal (VDT) working hours and eye focusing function.
Region
| Japan |
Condition
Condition
Not applicable
Classification by specialty
| Not applicable | Adult |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
Examine the relationship between VDT working hours and eye focusing function among Japanese.
Basic objectives2
Others
Basic objectives -Others
Examine the relationship between VDT working hours and eye focusing function among Japanese.
Trial characteristics_1
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
Near Activity Visual Question (NAVQ) score
Key secondary outcomes
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
| 30 | years-old | <= |
Age-upper limit
| 60 | years-old | > |
Gender
Male and Female
Key inclusion criteria
(1) Male and female participants who are aged 30 or older but under 60 at the time of obtaining consent.
(2) Persons who can answer questions on the web questionnaire on PCs or smartphones.
(3) Persons who fully understand the purpose and content of this study and have given their written consent via electronic informed consent.
Key exclusion criteria
(1) Persons who have been diagnosed with glaucoma or vitreoretinal diseases by a physician, either in the past or currently.
(2) Persons who have ever undergone eye surgery (such as glaucoma surgery, cataract surgery, LASIK, ICL, etc.).
(3) Persons currently diagnosed by a physician as having abnormalities in the tear film, cornea, or other areas of the eye surface.
(4) Persons currently diagnosed with dry eye by a physician.
(5) Persons who have experienced acute eye diseases (such as conjunctivitis or stye) within two weeks before the start of the study.
(6) Persons with neurological diseases (such as stroke, cerebral hemorrhage, subarachnoid hemorrhage, cognitive disorders, or neurosis).
(7) Persons with psychiatric disorders (such as depression, schizophrenia, anxiety disorders, etc.).
(8) Persons undergoing treatment for serious illnesses such as cardiovascular diseases (myocardial infarction, angina, etc.) or cancer.
Target sample size
360
Research contact person
Name of lead principal investigator
| 1st name | Hidenori |
| Middle name | |
| Last name | Obata |
Organization
Suntory Wellness Limited
Division name
Institute for Science of Life
Zip code
619-0284
Address
8-1-1 Seikadai, Seika-cho, Soraku-gun, Kyoto, Japan
TEL
050-1804-0214
Hidenori_Obata@suntory.co.jp
Public contact
Name of contact person
| 1st name | Sayaka |
| Middle name | |
| Last name | Hioki |
Organization
Suntory Wellness Limited
Division name
Institute for Science of Life
Zip code
619-0284
Address
8-1-1 Seikadai, Seika-cho, Soraku-gun, Kyoto, Japan
TEL
050-1739-0275
Homepage URL
Sayaka_Hioki@suntory.co.jp
Sponsor or person
Institute
Suntory Wellness Limited
Institute
Department
Personal name
Funding Source
Organization
Suntory Wellness Limited
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
Ethical Committee of Kobuna Orthopedics Clinic
Address
311-2, Gokanmachi, Maebashi-City, Gunma, Japan
Tel
027-212-5608
sagawa@mc-connect.co.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
| 2025 | Year | 05 | Month | 06 | 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
| 2025 | Year | 03 | Month | 28 | Day |
Date of IRB
| 2025 | Year | 03 | Month | 27 | Day |
Anticipated trial start date
| 2025 | Year | 06 | Month | 02 | Day |
Last follow-up date
| 2025 | Year | 06 | Month | 13 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
Not applicable
Management information
Registered date
| 2025 | Year | 03 | Month | 30 | Day |
Last modified on
| 2025 | Year | 03 | Month | 30 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000065642
