None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) age between 2 and 8 years old 2) who needs a photorefraction test 3) who voluntarily agrees to this study
Exclusion criteria
Exclusion criteria: 1) if they had eccentric fixation, optical media opacity, or the refractive errors of the eyes did not exceed a maximum limits of devices. 2) systemic or ocular pathology such as strabismus, glaucoma, cataract, or ocular surface disease, and not having previous ocular surgery
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The comparison to conformity degree of MR, CR and Photoscreeners(Kizopter, Sopt Pediavision, PlusoptixA12) | — |
Secondary
| Measure | Time frame |
|---|---|
| The comparison to sensitivity, sepcificity, drop out ration of Photoscreeners(Kizopter, Sopt Pediavision, PlusoptixA12) | — |
Countries
Korea, Republic of
Contacts
Samsung Medical Center