ametropia
Conditions
Interventions
1:Double-pass System
Sponsors
Beijing TongRen Hospital
Eligibility
Sex/Gender
Male
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Aged above 18 years old and less than 50 years old; 2. Best corrected visual acuity equal to or above 1.0; 3. Spherical correction between -0.50 to -8.0D, while cylindric correction less than 2D; 4. Natural pupil diameter equal to or larger than 4mm; 5. Without eye diseases other than refraction error, history of ocular trauma or intraocular operation; 6. Physical and mental health; 7. Volunteers themselves understand the purpose and procedure of this study and agree to participate in this research.
Exclusion criteria
Exclusion criteria: Unable to cooperate to receive the ophthalmologic examination.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| MTF cutoff;OSI; | — |
Secondary
| Measure | Time frame |
|---|---|
| Strehl ratio;OV; | — |
Countries
China
Contacts
Public ContactNingli Wang
Outcome results
None listed