Myopia in school children
Conditions
Interventions
Wearing outdoor environment glasses
Wearing normal glasses
Sponsors
Hara Eye Clinic, Hakuyukai, Medical Corporation
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1) Male and female school children between 6 and 12 years of age (elementary school 1st to 6th grade) at the time of obtaining informed consent (2) School children who spend at least 1 hour every day outside (3) School children with paralysis* of accommodation in both eyes where the objective spherical equivalent of each is between -1.50D and 4.50D (4) School children with at least one parent who has myopia (5) School children who can wear glasses daily and attend the clinic for consultations in accordance with the protocol (6) School children who do not have eye diseases other than refractive error (7) School children who have provided written informed consent themselves and written informed consent has been obtained from their parental authority for participation in this study
Exclusion criteria
Exclusion criteria: (1) School children with a history of wearing bifocal or progressive power lenses (2) School children with a history of wearing orthokeratology lenses (3) School children with unequal parallax exceeding 1.50D (4) School children with astigmatism exceeding 1.50D (5) School children with overt strabismus (6) School children who have received refractive surgery in the past (7) School children with keratoconus or herpes conjunctivitis, papillary proliferation, etc. (8) School children who are participating in other similar clinical research (9) School children who are judged to be inappropriate as subjects for this study by the principle investigator (or investigator) for the study (in charge)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change in axial length between observation at baseline and observation after 24 months | — |
Countries
Japan
Contacts
Public ContactTomomi Okano
Satt Co., Ltd. Clinical Research Group
Outcome results
None listed