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The effect of visual impairment on oral health status in Lower northern of Thailand

The effect of visual impairment on oral health status in Lower northern of Thailand

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20230217003
Enrollment
132
Registered
2023-02-17
Start date
2024-02-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Visual impairment Oral health hygiene Visual impairment Oral health status Blindness Oral hygiene DMFT

Interventions

VA at least 20/40 on better-seeing eye,VA 20/40-20/70 on better-seeing eye,VA 20/70-20/200 on better-seeing eye,VA 20/200-20/400 on better-seeing eye,VA worse than 20/400 on better-seeing eye
Screening,Screening,Screening,Screening,Screening
No visual impairment ,Mild visual impairment ,Moderate visual impairment ,4. Severe visual impairment ,5. Blindness

Sponsors

Faculty of medicine, Naresuan university
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to No maximum

Inclusion criteria

Inclusion criteria: patient at the eye clinic in Naresuan university hospital age at least 20 years old who has had stable vision for 3 months

Exclusion criteria

Exclusion criteria: Bedridden Restrict mobility cannot measure VA Jaw malformation History of Radiation and chemotherapy History of oral cancer Intellectual disability Pregnancy

Design outcomes

Primary

MeasureTime frame
DMFT Day 1 Use flashlight to examine teeth

Secondary

MeasureTime frame
Plaque index Day 1 use Erythrosine to stain teeth,Visual acuity (VA) Day 1 use ETDRS chart for VA measurement

Countries

Thailand

Contacts

Public ContactNathapon Treewipanon

Faculty of Medicine, Naresuan University

nathapont@nu.ac.th0896932677

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026