myopic
Conditions
Interventions
deviation:deviation design
Small Optical zone design:Small Optical zone design
Sponsors
Qingdao Eye Hospital affiliated to Shandong First Medical University
Eligibility
Sex/Gender
All
Age
8 Years to 14 Years
Inclusion criteria
Inclusion criteria: 1) 8 ~ 14 years old; (2) The spherical power is-0.75 ~-4.00d, the cylindrical power is 0 ~-1.25d, and the best corrected visual acuity (BCVA) is = 1.0; (3) No other eye diseases except myopia, no history of eye trauma and surgery, no history of strabismus, amblyopia and other eye diseases; (4) Agree to be randomly assigned to any group and attend the follow-up on time; (5) The patient wears contact lenses for the first time; (6) No contraindications for wearing contact lenses; (7) Good self-care ability, good hygiene habits and good treatment compliance.
Exclusion criteria
Exclusion criteria: 1) Treatment history related to myopia prevention and control (such as soft or hard contact lenses, bifocal or multifocal frame glasses, atropine eye drops, etc.); (2) strabismus or amblyopia; (3) Systemic diseases that may affect refractive development (such as Down syndrome and Marfan syndrome), or eye diseases that may affect ametropia (such as cataract and ptosis); (3) Contraindications for wearing orthokeratology glasses: history of ocular inflammation or infection, corneal dystrophy; (4) Follow-up review cannot be conducted on time; (6) The wearing compliance is poor, and there are problems in lens care and cleaning.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| eye axial length; | — |
Secondary
| Measure | Time frame |
|---|---|
| optometry;accommodation;Wavefront aberration;peripheral defocus;Choroid thickness;pupil;corneal topography;choroidal blood flow;Objective visual quality analysis; | — |
Countries
China
Contacts
Public ContactXianli Du
Qingdao Eye Hospital affiliated to Shandong First Medical University
Outcome results
None listed