UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000058852
Receipt number R000067303
Scientific Title Influence of Visual Factors on Reading Skills: An Analysis Using Reading Tasks
Date of disclosure of the study information 2025/08/20
Last modified on 2025/08/20 21:22:06

* 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

Influence of Visual Factors on Reading Skills: An Analysis Using Reading Tasks

Acronym

Influence of Visual Factors on Reading Skills: An Analysis Using Reading Tasks

Scientific Title

Influence of Visual Factors on Reading Skills: An Analysis Using Reading Tasks

Scientific Title:Acronym

Influence of Visual Factors on Reading Skills: An Analysis Using Reading Tasks

Region

Japan


Condition

Condition

Influence of Visual Factors on Reading Skills: An Analysis Using Reading Tasks

Classification by specialty

Ophthalmology Oto-rhino-laryngology Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Measurement of reading ability (using MNREAD-Jk and modified charts):

Reading speed

Accuracy

Articulation performance

Comprehension

These outcomes will be integrated as "reading performance" and compared between normal visual conditions and simulated visual impairment conditions (reduced visual acuity and visual field defects).

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Measurement of reading ability (using MNREAD-Jk and modified charts):
Reading speed
Accuracy
Articulation performance
Comprehension
These outcomes will be integrated as "reading performance" and compared between normal visual conditions and simulated visual impairment conditions (reduced visual acuity and visual field defects).

Key secondary outcomes



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

Educational,Counseling,Training

Type of intervention

Maneuver

Interventions/Control_1

Participants (university students with normal vision, aged 18-25 years) will perform reading tasks using the MNREAD-Jk and modified reading charts. They will be asked to read aloud short sentences to assess reading speed, accuracy, articulation performance, and comprehension. Additionally, simulated visual impairment conditions will be introduced, including reduced visual acuity and visual field defects. Reading performance under normal and simulated conditions will then be compared, and the relationship with visual cognitive and articulation abilities will be analyzed.

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

25 years-old >=

Gender

Male and Female

Key inclusion criteria

Eligibility criteria:
Students enrolled at Niigata University of Health and Welfare
Aged between 18 and 25 years
Normal visual acuity
Recruitment through the university portal site
No specific exclusion criteria will be applied; all volunteers who provide informed consent will be included

Key exclusion criteria

None

Target sample size

100


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

Institute for the Promotion of Social Collaboration

Zip code

9503198

Address

1398 Shimami-cho, Kita-ku, Niigata-shi, Niigata 950-3198, Japan

TEL

09030943531

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

Institute for the Promotion of Social Collaboration

Zip code

9503198

Address

1398 Shimami-cho, Kita-ku, Niigata-shi, Niigata 950-3198, Japan

TEL

0252574533

Homepage URL


Email

ishii@nuhw.ac.jp


Sponsor or person

Institute

Niigata University of Health and Welfare

Institute

Department

Personal name

Masako Ishii


Funding Source

Organization

Niigata University of Health and Welfare

Organization

Division

Category of Funding Organization

Other

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 Shimami-cho, Kita-ku, Niigata-shi, Niigata 950-3198, Japan

Tel

0252574455

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

2025 Year 08 Month 20 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 08 Month 20 Day

Date of IRB


Anticipated trial start date

2025 Year 08 Month 20 Day

Last follow-up date

2030 Year 08 Month 31 Day

Date of closure to data entry

2030 Year 08 Month 31 Day

Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 08 Month 20 Day

Last modified on

2025 Year 08 Month 20 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000067303