ametropia
Conditions
Interventions
Experimental group:Wear lens A (D series) for both eyes, elute for 1 week after a year, and then wear lens B (Z series)
Control group:Wear lens B (Z series) for both eyes, elute for 1 week after a year, and then wear lens A (D series)
Sponsors
Peking University Third Hospital
Eligibility
Sex/Gender
All
Age
6 Years to 14 Years
Inclusion criteria
Inclusion criteria: (1) 6-14 years old, regardless of gender; (2) The diopter of computer optometry after bilateral ciliary muscle paralysis ranges from -1.00D to -10.00D (including -1.00D and -10.00D), astigmatism = -1.50D; (3) The best corrected visual acuity of binocular subjective optometry was = 0.8; (4) There were no other abnormalities or diseases in both eyes except for ametropia; (5) Tear film rupture time = 8 s, intraocular pressure 10-21 mmHg.
Exclusion criteria
Exclusion criteria: (1) The examination results indicate that there are contraindications or it is not suitable to wear rigid breathable contact lenses; (2) Suffering from diabetes, asthma, low immunity and other systemic diseases; (3) Systemic or local application of atropine and other drugs that may affect the development of ocular axis within one year; (4) Have used or are using specially designed myopic control lenses within one year (including defocusing frame glasses, OK glasses, defocusing lenses, etc.); (5) Corneal contact lens intolerance.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Computer optometry diopter;axial length; | — |
Countries
China
Contacts
Public ContactYu Zhang
Peking University Third Hospital
Outcome results
None listed