UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000040529
Receipt number R000046266
Scientific Title The effect of astigmatism on visual acuity.
Date of disclosure of the study information 2020/05/27
Last modified on 2020/12/10 10:56:35

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Basic information

Public title

The effect of astigmatism on visual acuity.

Acronym

astigmatism and visual acuity

Scientific Title

The effect of astigmatism on visual acuity.

Scientific Title:Acronym

The effect of astigmatism on visual acuity.

Region

Japan


Condition

Condition

normal eyes

Classification by specialty

Ophthalmology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the relationship between the astigmatism power and spherical equivalent visual acuity.

Basic objectives2

Others

Basic objectives -Others

relativity

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The distribution between cylindrical power and SEVA.
Comparison SEVA betweenWTR, ATR and OA.

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

15 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

corrected distance visual acuity 0.0 logMAR or better
spherical equivalent +3.00~-6.00D
normal astigmatism

Key exclusion criteria

corrected distance visual acuity less than 0.0 logMAR
irregular astigmatism(corneal diseases)
3.25D or more astigmatism power

Target sample size

500


Research contact person

Name of lead principal investigator

1st name Rie
Middle name
Last name Hoshikawa

Organization

Kitasato University

Division name

School of Allied Health Sciences

Zip code

252-0373

Address

1-15-1, Kitasato, Minami-ku, Sagamihara-shi, Kanagawa, Japan

TEL

042-778-9671

Email

pink417dj@yahoo.co.jp


Public contact

Name of contact person

1st name Rie
Middle name
Last name Hoshikawa

Organization

Kitasato University

Division name

School of Allied Health Sciences

Zip code

252-0373

Address

1-15-1, Kitasato, Minami-ku, Sagamihara-shi, Kanagawa, Japan

TEL

042-778-9671

Homepage URL


Email

pink417dj@yahoo.co.jp


Sponsor or person

Institute

Kitasato University

Institute

Department

Personal name



Funding Source

Organization

Kitasato University

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

Kitasato University Hospital

Address

1-15-1, Kitasato, Minami-ku, Sagamihara-shi, Kanagawa, Japan

Tel

042-778-8273

Email

rinrib@med.kitasato-u.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

2020 Year 05 Month 27 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

500

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

Main results already published

Date of protocol fixation

2020 Year 02 Month 19 Day

Date of IRB

2020 Year 05 Month 01 Day

Anticipated trial start date

2020 Year 05 Month 01 Day

Last follow-up date

2021 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Estimated distance visual acuity was calculated from the approximation formula.


Management information

Registered date

2020 Year 05 Month 26 Day

Last modified on

2020 Year 12 Month 10 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000046266


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name