Integration, translation and development on Ophthalmic technology
Conditions
Interventions
myopia group:Close reading
emmetropia group:Close reading
hyperopia group:Close reading
Sponsors
Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Age
20 Years to 26 Years
Inclusion criteria
Inclusion criteria: (1) Sign informed consent; (2) After mydriasis optometry : myopia group:in the eyes of any spherical equivalent of -0.5D to -6.00D; emmetropia group: in the eyes of any spherical equivalent of -0.5D to +0.5D; hyperopia group: in the eyes of any spherical equivalent of +0.5D to +2.0D; (3) The best corrected visual acuity in both eyes was greater than or equal to 1; (4) At any eye in the eyes, the smooth astigmatism is less than 1.5D, and the reverse astigmatism is less than 0.75 D; (5) The Anisometropia of the eyes is less than 1.00D; (6) Normal intraocular pressure, without strabismus, amblyopia, or any other pathological changes of the eyeball; (7) Diseases that have no influence on visual development or refractive development, such as diabetes and fibrous tissue lesions.
Exclusion criteria
Exclusion criteria: (1) Eye examination can not be carried out; (2) At any eye, the best corrected visual acuity was less than 1; (3) According to the judgment of the researcher, the person who can not understand or cooperate with the research program; (4) Participating in other clinical trials or participating in other clinical trials within the first 30 days of the study; (5) Unable to participate in this study voluntarily or not with high enthusiasm.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| initial near work-induced transient myopia;decay time; | — |
Countries
China
Contacts
Public ContactWang Ningli
Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University
Outcome results
None listed