myopia
Conditions
Interventions
Observation group:None
Sponsors
Beijing Tongren Hospital, Capital Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1: aged 18 to 40 years 2: Volunteer to join the study
Exclusion criteria
Exclusion criteria: 1: best corrected visual acuity<20/400 2: Uveitis, glaucoma, age-related macular degeneration, retinal vascular occlusion, choroidal neovascularization, retinoschisis, epiretinal membrane, Vitreous macular traction, Patchy chorioretinal atrophy, lacquer cracks, Fuch‘s spot, macular atrophy, and other fundus lesions 3: a history of ocular trauma that affected visual function 4: High myopia secondary to other ocular diseases, such as congenital cataract, FEVR, Stickler syndrome, etc 5: High myopia secondary to ocular structural abnormalities, , such as spherical crystals and keratoconus 6: Any condition that may affect the results of the clinical trial in the opinion of the study physician(subjects are prone to nervousness, uncontrollable emotions, depression, poor compliance, mental and physical conditions unable to cooperate with the corresponding ophthalmic examination, etc)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Retinal strain value in the macular region;axial length;Posterior staphyloma height; | — |
Secondary
| Measure | Time frame |
|---|---|
| Retinal strain value around the optic disc;Anterior segment parameters (anterior chamber depth, pupil diameter, lens position, lens thickness);color fundus images;Peripheral ocular parameters (ciliary body morphology, peripheral choroidal thickness);best corrected visual acuity;intraocular pressure;3D-ocular shape;Changes in choroidal blood flow index; | — |
Countries
China
Contacts
Public ContactTian Jiaxin
Beijing Tongren Hospital, Capital Medical University
Outcome results
None listed