myopia
Conditions
Interventions
spherical degree of myopia is from -0.50D to 4.00D:no
-0.50D<spherical equivalent refraction<0.50D:no
Sponsors
The Yongchuan Hospital of Chongqing Medical University
Eligibility
Sex/Gender
All
Age
6 Years to 12 Years
Inclusion criteria
Inclusion criteria: 1. Children with the agreement of theirselve and their parents have received a full routine eye examination such as position of eyes, objective optometry and so on since 2017; 2. Children in Xuanhua primary school are aging from six to twelve years old (exa.July 2007 to June 2009); 3. Group One(including 160 children): spherical degree of myopia is from -0.50D to 4.00D (including -0.50D and -4.00D), differences between the two eyes in diopter of myopia is less than -1.00D, best corrected visual acuity =1.0; Group Two(including 160 children): -0.50D<spherical equivalent refraction<0.50D.
Exclusion criteria
Exclusion criteria: 1. Children who had the history of use orthokeratology, long-term undertaking atropine, eye disease history as well as eye surgery are excluded; 2. Children suffering related eye and/or systemic diseases, such as strabismus, glaucoma are excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| axis oculi;diopter; | — |
Countries
China
Contacts
Public ContactLi Hua
The Yongchuan Hospital of Chongqing Medical University
Outcome results
None listed