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Development of a Standardized Thai Continuous-Text Reading Chart for Clinical and Research Use

Development of a Standardized Thai Continuous-Text Reading Chart for Clinical and Research Use

Status
Active, not recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20251027007
Enrollment
80
Registered
2025-10-27
Start date
2024-05-15
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

normal vision normal vision

Interventions

Thirty-eight pairs of Thai candidate sentences (same sentence sizing) will be tested to identify the most equivalent and well-correlated group of paired sentences. The best group will be selected to c
Active Comparator Other,Experimental Other
Thai sentences,Thai &amp
English charts

Sponsors

Faculty of Medicine Siriraj Hospital, Mahidol University.
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 35 Years

Inclusion criteria

Inclusion criteria: First phase 1. Normal vision participation 2. Age between 20 - 35 years Second phase 1. Normal vision participation 2. Age between 20 - 35 years 3. Expert in both English and Thai languages

Exclusion criteria

Exclusion criteria: 1. Best-corrected visual acuity (BCVA) at 4 meters worse than 6/7.5 in each eye 2. Binocular near visual acuity at 40 cm worse than 20/25

Design outcomes

Primary

MeasureTime frame
reading performance cross-sectional reading speeding

Secondary

MeasureTime frame
reading performance cross-sectional reading acuity

Countries

Thailand

Contacts

Public ContactSuksri Chotikavanich

Faculty of Medicine Siriraj Hospital, Mahidol University

suksri_c@yahoo.com0992961468

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026