Glasses in classes: A cluster-randomised controlled trial to evaluate the effects of a school-based intervention to improve academic, social and emotional learning, visual acuity, and adherence to glasses wear in young children in a disadvantaged multi-ethnic community

Glasses in classes: A cluster-randomised controlled trial to evaluate the effects of a school-based intervention to improve academic achievement, visual acuity, and adherence to glasses wear in young children in a disadvantaged multi-ethnic community

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN23508254

Enrollment

700

Registered

2020-01-21

Start date

2019-06-01

Completion date

Unknown

Last updated

2020-02-03

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

Conditions

Vision requiring correction Eye Diseases Disorders of refraction and accommodation

Interventions

Interventional cluster randomised controlled trial involving reception year children in primary schools in Bradford. Randomisation is at school-level and target is 100 schools (50 treatment = T

50 control = C) with each school providing close to full two reception classes of approximately 27 pupils per class . All reception pupils (2019–2020) in both treatment and control schools will underg

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Children aged 4-5 years of age 2. Enrolled in reception year in state-funded primary schools based in the Metropolitan area of Bradford, United Kingdom

Exclusion criteria

Exclusion criteria: Joiners (children who joined the class after the start of the study)

Design outcomes

Primary

Measure	Time frame
Reading achievement measured using Letter-Word Identification sub-scale from the Woodcock-Johnson IV at baseline (autumn 2019) and follow up (Spring 2020)	—

Secondary

Measure	Time frame
1. Reading achievement measured using Word Attack sub-scale from the Woodcock-Johnson IV at baseline (autumn 2019) and follow up (Spring 2020) 2. Reading achievement measured using Applied Problems from the Woodcock-Johnson IV at baseline (autumn 2019) and follow up (Spring 2020)	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026