Comparison of amplitude reduction of pattern VEP and flash VEP between using Srinagarind eye patch and commercial eye patch in normal subjects

Comparison of amplitude reduction of pattern VEP and flash VEP between using Srinagarind eye patch and commercial eye patch in normal subjects.

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20131226001

Enrollment

Registered

2013-12-26

Start date

2014-02-01

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

Normal eye examination in normal healthy people. Eye patch&#44

Interventions

Eye patch that made by using 3M micropore medical tape.

Experimental Other

Srinagarind eye patch

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: normal subjects with normal eye examination and best-corrected visual acuity was 20/30 or better

Exclusion criteria

Exclusion criteria: (1) history of allergy to micropore medical tape or eye patch; (2) have underlying ocular diseases such as glaucoma, cataract, diabetic retinopathy; (3) history of ocular trauma; (4) non-cooperative to obtain VEP test; (5) younger than 18 years or older than 40 years; (6) abnormal refractive error: myopia greater than -6.00 diopters, astigmatism greater than +2.00 diopters, hyperopia greater than +2.00 diopter; (7) pregnancy; (8) cerebrovascular disease

Design outcomes

Primary

Measure	Time frame
Amplitude of VEP Single visit VEP	—

Secondary

Measure	Time frame
Safety single visit Physical examination	—

Countries

Thailand

Contacts

Public ContactPhanthipha Wongwai

Khon Kaen University

pantipawongwai@gmail.com0816616005

Outcome results

None listed

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