The comparison an angle of deviation from photographs with alternate prism cover test in strabismic patients

To compare degree of an angle of deviation from the corneal light reflex photographs with alternated prism cover test in strabismic patients.: Analytic Prospective study.

Status

Active, not recruiting

Phases

Phase 2Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20130912001

Enrollment

Registered

2013-09-12

Start date

2013-10-01

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

strabismus esotropia exotropia

Interventions

photograph compare to prism cover test

Active Comparator No treatment

photograph

Eligibility

Sex/Gender

All

Age

5 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Horizontal strabismic subjects. 2. Subject older than 5 years old. 3. Volunteer to participate in this study with informed consent. 4. Cooperate in an eye examination.

Exclusion criteria

Exclusion criteria: 1. Cyclovertical strabismus 2. Amblyopia 3. Accomodative esotropia 4. Paralytic strabismus 5. Strabismus has had previous strabismic surgery 6. Abnormal of ocular surface such as corneal diseases may be disturb corneal light reflex including pterygium

Design outcomes

Primary

Measure	Time frame
To compare degree of an angle of deviation from the corneal light reflex photographs with alternated after end of the intervention sensitivity and specificity	—

Secondary

Measure	Time frame
Expect data and methodology for ophthalmologist would be useful a conventional orthoptic test either after end of the intervention sensitivity and specificity	—

Countries

thauland

Contacts

Public Contactsupaporn tengtrisorn

Unaffiliated.

tsupapor@medicine.psu.ac.th081-5424239

Outcome results

None listed

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