myopia
Conditions
Interventions
1.2:-
2.1:-
3.1:optical defocus spectacle
3.2:optical defocus spectacle
4.1:orthokeratology
4.2:orthokeratology
1.1:-
Sponsors
Eye Hospital, WMU,Hangzhou
Eligibility
Sex/Gender
All
Age
6 Years to 17 Years
Inclusion criteria
Inclusion criteria: Part 1: 1) Children aged 6-17 with myopia;2) Equivalent spherical lens: 0 to -8.00D;3) Corrected visual acuity =0.8;4) Intraocular pressure of 10-21mmHg; Part 2: 1) Children aged 6-17 with myopia;2) Equivalent spherical lens: 0 to -8.00D;3) Corrected visual acuity =0.8;4) Intraocular pressure of 10-21mmHg; Part 3: 1) Age: 6-17 years old;2) Equivalent spherical degree of computer optometry in binocular cycloplegia: -0.75D to -5.00D;Binocular astigmatism =1.50D;Best corrected visual acuity =1.0 Part 4: 1) Children with myopia aged 6 ~ 17 years;2) Diopter of -0.75 ~ -4.00D, astigmatism of 0-1.50D, anisometropia =1.00D;3) Corrected visual acuity =1.0;4) Visual acuity =0.8 after wearing glasses;5) The K value of cornea was in the range of 39.00-46.00D;6) Intraocular pressure of 10-21mmHg;
Exclusion criteria
Exclusion criteria: Part 1: 1) Wear history of lenses with myopia control without OK lens, defocusing frame, defocusing soft lens 2) No history of 0.01% atropine use;3) Other serious ocular diseases with refractive errors and ocular surgical history were excluded; Part 2: 1) Wear history of lenses without OK lens, defocusing frame, defocusing soft lens and other myopia control lenses;2) No history of 0.01% atropine use;3) Other serious ocular diseases with refractive errors and ocular surgical history were excluded; Part 3: 1) History of eye surgery and trauma;Have strabismus, glaucoma and other eye diseases (except ametropia);History of systemic disease;2) Used drugs related to myopia control and prevention and control measures (such as low-concentration atropine eye water, multi-point myopia defocusing lens, orthokeratology lens, etc.);3) Poor fit or unqualified image quality. Part 4: 1) Wear history of lenses without OK lens, defocusing frame, defocusing soft lens and other myopic control lenses;2) No history of 0.01% atropine use;3) Obvious dry eye symptoms;4) Severe conjunctivitis;5) Other serious ocular diseases with refractive errors and ocular surgical history were excluded;Exit criteria: The patient will quit midway due to subjective or objective reasons, and the follow-up examination and review items will not be carried out;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diopter;anteroposterior axis; | — |
Secondary
| Measure | Time frame |
|---|---|
| OCTA;Vision quality;peripheral refraction; | — |
Countries
China
Contacts
Public ContactChenRuru
Eye Hospital, WMU,Hangzhou
Outcome results
None listed