Ireland
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Enrolling by invitation Not applicable

Differences and Wearing Safety and Comfort of New Defocus Incorporated Multiple Segments Spectacle Lenses

NCT06221592 · tracked via the Priya Life Science China tracker
Phase
Not applicable
Started
2024-03-01
Last updated
2024-10-01

Condition(s) studied

Myopia, Progressive

Investigational drug(s) / intervention(s)

defocus spectacle lenses

defocus spectacle lenses: To evaluate the differences in controlling the progression of myopia in adolescents and the safety and comfort of wearing different types of defocus incorporated multiple segments spectacle lenses, to explore the feasibility of effective defocus micro lens design, and apply personalized defocus frame lenses for myopia prevention and control.

Study summary

To evaluate the differences in controlling the progression of myopia in adolescents and the safety and comfort of wearing different types of defocus incorporated multiple segments spectacle lenses, to explore the feasibility of effective defocus micro lens design, and apply personalized defocus frame lenses for myopia prevention and control.

Eligibility

Sex
ALL
Min age
6 Years
Max age
14 Years
Healthy volunteers
No
Inclusion Criteria: 1. Age: 6-14 years old; 2. After using 1% cyclohexanone hydrochloride eye drops (Saifeijie) for ciliary muscle paralysis, binocular spherical power were within 0.00D\~-4.00D, binocular cylinder power ≤ 1.50D, the anisometropia is less than 1.50D, and the best corrected visual acuity was above 5.0; 3. Within 30 days, the myopia prevention and control methods such as multifocal glasses, orthokeratology, defocusing flexible glasses, progressive glasses, atropine eye drops, red light and acupuncture and moxibustion treatment were not used; 4. The subject has a willingness to receive treatment and an informed consent form is signed by their legal guardian. Exclusion Criteria: 1. Diagnosed constant strabismus; 2. Diagnosed pathological myopia; 3. Other congenital eye diseases; 4. Researchers believe that the patients have other reasons that are not suitable for inclusion in the project.

Primary outcome measure(s)

  • Axial length — 2 years
    The change of axial length.

Trial sites (1)

FacilityCityRegionStatus
Shanghai Eye Diseases Prevention &Treatment Center/ Shanghai Eye Hospital, School of Medicine, Tongji University Shanghai Shanghai Municipality
Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT06221592 on ClinicalTrials.gov ↗ ← All trials in China