Myopia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Myopia group: 6-14 years old children with low and low myopia (myopia degree >= 75 degrees and = 75 degrees, astigmatism degree = 100 degrees), men and women Not limited to; 2. One of the subject's parents/guardians must be able to understand and personally sign the informed consent form; 3. Willing to follow the researcher's instructions to wear the research product and follow up on time; 4. Normal eye health; 5. The best corrected visual acuity of single eye after wearing the lens is 1.0 or above.
Exclusion criteria
Exclusion criteria: 1. A history of intolerance to tropicamide or local anesthetics or previous allergies to such drugs; 2. There is strabismus and / or amblyopia; 3. Previous history of eye surgery (including strabismus surgery) and history of trauma; 4. Has taken any form of myopia control in the past; 5. There are any systemic diseases that may affect the eye. For example, Marfan syndrome, retinopathy of prematurity, diabetes, etc.; 6. Any history of ocular trauma or abnormalities of the cornea, conjunctiva and eyelids (including keratoconus and herpetic viral keratitis); 7. Any abnormal anatomical structure, skin irritation or other conditions that affect normal eyewear wear.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Eye behavior data;Diopter;Eye axis;Vision;Accommodative hysteresis;Sighting dominance;Motor dominance;Sensory dominance; | — |
Secondary
| Measure | Time frame |
|---|---|
| Intraocular pressure;Fundus;Anterior segment; | — |
Countries
China
Contacts
Aier Institute of Optometry and Vision Science