Time of Maximum Cycloplegia in Myopic Children with Brown Irises

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20171120003

Enrollment

Registered

2017-11-20

Start date

2017-08-18

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

myopia children brown iris myopia children brown iris cycloplegia

Interventions

1.aged 5&#45

14 year&#45

old 2.Spherical Equivalent More than or equal &#45

0.50 diopter 3.has brown irises

Screening

myopia children

Eligibility

Sex/Gender

All

Age

5 Years to 14 Years

Inclusion criteria

Inclusion criteria: Thai children with brown irises age 5-14 years Auto-refractometer shows myopic refractive error SE. â‰¥ - 0.50

Exclusion criteria

Exclusion criteria: VA without correction 20/30 or better in one or both eye Ophthalmic diseases other than refractive error and/or strabismus Previous ophthalmic surgery History of allergy or sensitivity to Cyclopentolate History of cardiovascular disease Insufficient cooperation interfere with instillation of eye drop or outcome measurement

Design outcomes

Primary

Measure	Time frame
Time of Maximum Cycloplegia in Myopic Children with Brown Irises 80 min after instillation of cyclopentolate 1% first drop Cyclopentolate 1% was instilled 3 times, 10 minutes apart. Spherical equivalent were recorded by aut	—

Secondary

Measure	Time frame
To compare result of cycloplegic refraction between autorefraction and retinoscopy 80 min after instillation of cyclopentolate 1% first drop different refraction between retinoscopy and auto-refraction	—

Countries

thailand

Contacts

Public Contactkanayaluk kaewpradit

chulalongkorn university

snapiie@gmai.com0814795758

Outcome results

None listed

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