Prevalence of Refractive Errors in Primary School Children

Assiut University

Status: Not yet enrolling

Conditions: Refractive Errors

Treatments: Diagnostic Test: cycloplegic refraction

Study type: Observational

Funder types: Other

Identifiers

NCT05781997

refractive errors

Details and patient eligibility

About

The study aim to determine the prevalence of refractive errors in primary school children aged 6-12 in The New Valley , Egypt .

Full description

The refractive state of the eye changes as the eye's axial length increases and the cornea and lens flattens. In general, eyes are hyperopic at birth, and become slightly more hyperopic until the age of 7, at this point we see a myopic shift toward Plano until the eyes reach their adult dimensions, usually by about the age of 16.

Enrollment: 500 estimated patients

Sex: All

Ages: 6 to 12 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

Age: 6 -12-year-old Myopia :- 0.5 D to -10D Hypermetropia: 1 D to 8 D Astigmatism: 0 to 6 D Distance correction: 0.1 logs MAR (20/25 ) or better

Exclusion criteria

Retinopathy, Prematurity, history of genetic disease, connective tissue diseases (e.g. Stickler or Marfan syndromes, any ocular diseases, Glaucoma, Cataract, Squint.