Myopia Progressing
Conditions
Brief summary
This study aims to evaluate the effectiveness of lenses with light diffraction glasses in controlling the progression of myopia in children and adolescents, and to explore the feasibility of effective design, and apply personalized frame lenses for myopia prevention and control.
Interventions
DEVICEFunctional lens
Diffractive Optical Element, D.O.E, technology for controlling myopia progression in children and adolescents. and H.A.L.T, highly aspheric lenslet technology) for controlling myopia progression in children and adolescents.
Sponsors
Shanghai Eye Disease Prevention and Treatment Center
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
TRIPLE (Subject, Caregiver, Investigator)
Eligibility
Sex/Gender
ALL
Age
6 Years to 8 Years
Healthy volunteers
Yes
Inclusion criteria
1. Age: 6-8 years old; 2. After using 1% cyclohexanone hydrochloride eye drops (Saifeijie) for ciliary muscle paralysis, binocular spherical power were within 0.00D\ -1.75D, binocular cylinder power ≤ 1.50D, the anisometropia is less than 1.50D, the progression of myopia in the past year is greater than 0.5D, the best corrected far vision is at least 4.8, and the near vision is at least 5.0; 3. Within 6 months, 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.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Subjective refraction equivalent spherical | 3 months |
Secondary
| Measure | Time frame |
|---|---|
| Axial length | 3 months |
| Choroidal thickness | 3 months |
Countries
China
Outcome results
None listed