NIPH Clinical Trials Search

JAPANESE
国立保健医療科学院
UMIN ID: UMIN000047757

Registered date:16/05/2022

Exploration of visual function evaluation methods and clinical endpoints in patients with ultra-low vision

Basic Information

Recruitment status Recruiting
Health condition(s) or Problem(s) studiedInherited Retinal Disease: IRD
Date of first enrollment2022/06/01
Target sample size65
Countries of recruitmentJapan
Study typeObservational
Intervention(s)

Outcome(s)

Primary Outcome-Full-field retinal sensitivity to light by full-field stimulus threshold (FST) testing
Secondary Outcome-Slit-lamp microscopy -Visual acuity test -Visual field test -Fundus photography -Fundus autofluorescence -OCT -ERG -Visual evoked potential -Electrically evoked response -Mobility test -ADL test -Questionnaire regarding QOL

Key inclusion & exclusion criteria

Age minimum20years-old
Age maximumNot applicable
GenderMale and Female
Include criteria
Exclude criteria1. Healthy people with other eye complications that significantly affect visual field or visual acuity, and with abnormal findings detected by slit-lamp microscopy, fundoscopy, OCT. 2. Those who underwent eye surgery within 3 months. 3. Subjects who have with a history of allergy to the agents to be used in this study, e.g. mydriatic agent, anesthetic agent, etc. 4. Subjects who are diagnosed with dementia or mental illness. 5. Those who are pregnant or lactating. 6. Those who are currently participating in other clinical trials. 7. Those who have participated in a clinical trial for therapeutic purposes within the past 3 months. 8. Those who with a history or suspected or confirmed diagnosis of alcohol or other drug addictions. 9. Those who unable to understand the evaluation and examination procedures. 10. Those who, in the judgment of the principal investigator, are considered to be at risk of becoming ineligible for the study. 11. Those who are judged by the principal investigator or other investigators to be inappropriate for participation in this study.

Related Information

Contact

public contact
Name Toshihide Kurihara
Address 35 Shinanomachi Shinjyuku-ku Tokyo, Japan Japan 160-8582
Telephone 070-4921-5196
E-mail kurihara@z8.keio.jp
Affiliation Keio University School of Medicine Department of Ophthalmology
scientific contact
Name Kazuno Negishi
Address 35 Shinanomachi Shinjyuku-ku Tokyo, Japan Japan
Telephone 03-5843-6993
E-mail kazunonegishi@keio.jp
Affiliation Keio University School of Medicine Department of Ophthalmology