Adult patients with myopia or hyperopia
Conditions
Interventions
Open-field vision refraction instrument:None
Multispectral Retinal Topographer:None
VPR:None
Sponsors
Tianjin Medical University Eye Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1.Age: 18 - 40 years old; 2.BCVA>=1.0; 3.Normal intraocular pressure; 4.No impact on anterior segment and fundus diseases of the eye;
Exclusion criteria
Exclusion criteria: 1.Has a history of eye surgery (such as cataract surgery); 2.Eye diseases that affect fixation or accommodation (such as strabismus, amblyopia, and accommodative dysfunction); 3.The pupil diameter is too small (less than 3mm under the inspection light. Since the default setting for the VPR is a pupil diameter of 3mm, if it is smaller than this value, it will affect the accuracy of the measurement results). 4.Having systemic diseases that affect vision (such as uncontrolled diabetes, retinal detachment, etc.); 5.Pregnant or lactating women;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Peripheral refractive power of the retina; | — |
Countries
China
Contacts
Public ContactRuihua Wei
Tianjin Medical University Eye Hospital
Outcome results
None listed