Myopia
Conditions
Interventions
Gold Standard:An automatic computer refractor Nidek AR-1 was used to measure the diopters of subjects and to preliminarily determine whether the subject is myopia. According to the diopters of subject
hand-held 
eccentric 
autorefractors 
used 
to 
the 
diopters 
of 
subjects: 
MediWorksV100 
and 
Welch 
Allyn 
VS100.
Sponsors
Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 50 Years
Inclusion criteria
Inclusion criteria: Subject with normal dioptric media and volunteer to take part in the study.
Exclusion criteria
Exclusion criteria: 1. History of eye diseases: nystagmus, keratopathy, aphagylens eye, cataract, glaucoma, uveitis, ptosis, strabismus and amblyopia, primary eye inflammation, macular lesions and other diseases and related medical history, history of eye trauma, history of eye surgery; 2. Serious systemic diseases without formal medical intervention are as follows: pregnancy, diabetes, hypertension, liver and kidney diseases, blood diseases, immune system diseases, allergic diseases; 3. History of ocular infection/inflammatory attack and special systemic drug use.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| spherical equivalent, SE;diopter of spherical power, DS;diopter of cylindrical power, DC;Kappa; | — |
Countries
China
Contacts
Public ContactJibo Zhou
Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine
Outcome results
None listed