Ametropia
Conditions
Interventions
Experimental group:Wear soft contact lens
Control group:Wear soft hydrophilic contact lenses
Sponsors
Optometry Hospital Affiliated to Wenzhou Medical University
Eligibility
Sex/Gender
All
Age
6 Years to 12 Years
Inclusion criteria
Inclusion criteria: (1) The objective optometry under mydilation of both eyes was between -1.00D (inclusive) and -8.00D (inclusive), and the best corrected visual acuity of left and right eye was greater than or equal to 1.0; (2) The written consent of the guardian is required, regardless of gender; Have good wearing compliance, willing to complete the visit, children and guardians sign the informed consent.
Exclusion criteria
Exclusion criteria: (1) have a systemic disease that may affect the eye within 1 year prior to signing the informed consent, such as diabetes, Down syndrome, hyperthyroidism, rheumatoid arthritis, or a history of sinusitis within 2 years, or other diseases that the investigator considers impossible to wear contact lenses; (2) Simultaneous use of any topical ophthalmic or systemic medications that may interfere with contact lens fitting/require contact lens removal during the day. Common drugs that affect vision include tricyclic depressants, phenothiazines, general anesthetics, immunomodulators, etc. (3) suffer from various eye diseases within 3 months before signing the informed consent, and cannot be worn by the researcher; (4) dry eyes who are in use within 1 month before signing the informed consent or plan to use drug intervention during the study, and the eye condition of the subject determined by the investigator, combined with their recent drug use, is not suitable for wearing contact lenses; (5) Have a history of eye trauma or corneal surgery that affects the wearing of contact lenses; (6) There is any situation in which the researcher determines that it is not suitable to wear a soft hydrophilic contact lens.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The equivalent spherical degree (SER) increase after cycloplegia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Axial length (AL) increase (mm); | — |
Countries
China
Contacts
Public ContactJia Qu
Optometry Hospital Affiliated to Wenzhou Medical University
Outcome results
None listed