ametropia
Conditions
Interventions
A:Visco contact lens
B:Hydron contact lens
Sponsors
The First Affiliated Hospital of Medical School of Zhejiang University
Eligibility
Sex/Gender
All
Age
18 Years to 55 Years
Inclusion criteria
Inclusion criteria: 1. Male and female aged 18 to 55 years old; 2. Able and willing to provide signed informed consent; 3. Correction of the spherical degree between-1.00D and-10.00D; 4. Besides refractive errors no other abnormalities or diseases; 5. No history of ocular trauma or surgery; 6. No eyelid abnormalities or infection; 7. No abnormal or no more than moderate conjunctival conjunctivitis, keratitis, history; 8. No clinically significant abnormal slit lamp examination; 9. No other active eye disease.
Exclusion criteria
Exclusion criteria: 1. Requires the use of ophthalmic drug treatment; 2. Any systemic disease taboo to wear contact lenses or disease or drug treatment will affect the success of the visual wear contacts; 3. Enrolled in this study before 8 weeks have a history of ocular trauma or surgery; 4. In the past 6 weeks of wearing contact lenses (before the test to be stopped at least 1 week wearing time); 5. Eliminate abnormal tear secretion, tear tract Infection; 6. Eye irritation after contact lens wearers may affect; 7. Keratoconus or other corneal irregularities; 8. Pregnancy or breast-feeding women, or for pregnant women; 9. Participated other trail in a month or who are participating in other clinical trials; 10. Any history, according to the researchers judged likely to interfere with test results or increase the risk of patients; 11. The researchers determine the compliance problem and can not strictly enforce the protocal.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| correction of refractive error; | — |
Secondary
| Measure | Time frame |
|---|---|
| comfort;safety; | — |
Countries
China
Contacts
Public ContactYangshun Gu
Outcome results
None listed