Myopia
Conditions
Interventions
Corneal Refractive Surgery and Implantable Collamer Lens Implantation:N/A
Sponsors
Aier Institute of Optometry and Vision Science
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: a) Aged more than 18 years old (18 years old inclusive), myopia progresses steadily (increased by less than 0.50D in recent years), male or female; b) Myopia is not less than 5.00D and astigmatism is not more than 1.50D; c) Subjects can understand and sign the informed consent and can follow up on time; d) The best corrected visual acuity of one eye after wearing glasses is 20/20 or above;
Exclusion criteria
Exclusion criteria: f) There are organic or morphological lesions caused by high myopia, such as: primary open-angle glaucoma, macular fissure, macular cystic edema, posterior scleral goiter g) previous history of eye surgery (including strabismus surgery); h) Any eye or systemic illness that may affect the refractive status of the eye. For example Marfan syndrome, retinopathy of prematurity, diabetes, etc .; i) have any history of eye trauma or abnormalities of the cornea, conjunctiva and eyelids (including keratoconus and herpetic viral keratitis); j) wear a corneal orthokeratoscope (OK lens) and stop wearing for less than half a year;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Peripheral retinal refraction; | — |
Secondary
| Measure | Time frame |
|---|---|
| Visual acuity;Non-contact Tonometer;Slit lamp;Corneal topography; | — |
Countries
China
Contacts
Public ContactWeizhong Lan
Aier School of Ophthalmology, Central South University
Outcome results
None listed