Myopia
Conditions
Interventions
Control:Glasses
Experimental 1:Glasses+atropine
Experimental 2:orthokeratology+atropine
Experimental 3:reduced the back optic zone diameter orthokeratology+atropine
Experimental 4:orthokeratology
Experimental 5:increased compression factor orthokeratology
Experimental 6:Peripheral defocusing glasses
Experimental 7:reduced the back optic zone diameter orthokeratology
Sponsors
The First Affiliated Hospital of Baotou Medical College
Eligibility
Sex/Gender
All
Age
8 Years to 12 Years
Inclusion criteria
Inclusion criteria: (1) Age 8-12 years old (2) After astigmatism and refraction, the diopter is -1.00D ? -5.00D, and the binocular astigmatism is = -1.50D (3) Best corrected visual acuity for both eyes = 4.9 (4) Normal anterior segment, eye position, fundus, and intraocular pressure (intraocular pressure 10-21mm Hg) (5) There is no history of myopia control treatment such as wearing contact lenses or atropine eye drops in the past 3 months, and there are no contraindications for wearing corneal shaping lenses. The overall condition is normal (6) Children and guardians have good compliance
Exclusion criteria
Exclusion criteria: (1) Eye or systemic diseases are not suitable for wearing orthokeratology glasses; (2) Those allergic to atropine; (3) It is necessary to use treatment programs that affect the degree of myopia (such as hormones, etc.); (4) poor personal hygiene habits, poor compliance, can not cooperate with the examination, timely treatment and regular review of the hospital; (5) Other circumstances that the investigator determines may affect the conduct of the clinical study and the results of your study are not suitable for inclusion in the study
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| diopter;axial length;visual function; | — |
Secondary
| Measure | Time frame |
|---|---|
| corneal topographic map;best corrected visual acuity;intraocular pressure;anterior segment;Degree of phoria;choroidal thickness;pupil size;Schirmer test;breakup time of tear film; | — |
Countries
China
Contacts
Public ContactYuelan Feng
The First Affiliated Hospital of Baotou Medical College
Outcome results
None listed