None listed
Conditions
Interventions
Others : Participants view visual stimuli using a high-resolution VR headset (Varjo XR-4
Varjo Technologies, Helsinki, Finland) in a simulated virtual living room environment. Two-dimensional animated video content is displayed on a virtual television at a fixed viewing distance of 1.4 m,
blur intensity increases smoothly from 22.5° to 25.0° eccentricity and reaches full strength beyond 25.0° eccentricity. The red channel is preserved, whereas Gaussian blur is selectively applied to th
exposure is repeated weekly (Visits 2–4), and sustained responses are assessed at the 1-month follow-up visit (Visi
Sponsors
Kyung Hee University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Adults aged 19 years or older with no history of psychiatric illness or dizziness, meeting the visual acuity criteria, are eligible (target N = 68). Visual acuity criteria: uncorrected or corrected visual acuity of 0.8 or better, with astigmatism of 1.0 diopter or less.
Exclusion criteria
Exclusion criteria: History of psychiatric illness Failure to meet the visual acuity criteria Presence of specific ocular disease History of dizziness
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Baseline-adjusted between-group difference in choroidal vascularity index (CVI) within the central 2.5-mm region;Baseline-adjusted between-group difference in subfoveal choroidal thickness (SFCT) | — |
Secondary
| Measure | Time frame |
|---|---|
| Baseline-adjusted between-group differences in choroidal thickness and choroidal vascularity index (CVI) within the 5-mm, 11-mm, and 12–18-mm regions, spherical equivalent, accommodative response, and axial length | — |
Countries
Korea, Republic of
Contacts
Public ContactMin Seok Kang
Kyung Hee University Hospital
Outcome results
None listed