Study Objective The goal of this clinical trial is to evaluate whether viewing a procedural video can improve the patient experience and reduce the incidence and severity of subconjunctival hemorrhage in individuals undergoing intravitreal anti-VEGF injections.
Key Research Questions
1. Can viewing the procedural video prior to treatment reduce the rate and/or area of subconjunctival hemorrhage? 2. Can the video improve the patient experience, specifically by reducing anxiety levels and increasing satisfaction with the treatment process?
Study Design Participants will be randomly assigned to either an intervention group, who will watch an educational video explaining the injection procedure, or a control group, who will not view the video.
All participants will complete the State-Trait Anxiety Inventory-State (STAI-S) questionnaire both before and after treatment to assess changes in anxiety levels.
Patients who are receiving their first intravitreal injection of anti-VEGF medication due to retinal diseases
Mentally competent, and able to communicate without barriers
Willing to voluntarily sign an informed consent form.
History of previous eye surgery
Best-corrected visual acuity in the better eye worse than 0.3
The target eye is complicated with neovascular glaucoma.
Parallel
Procedure video viewing
BehavioralPatients who have never had an intravitreal injection before will be randomly assigned to watch an educational video about the procedure prior to treatment.
Rate and area of subconjunctival hemorrhage
After the injection, a photograph of the eye will be taken to document the presence of subconjunctival hemorrhage and to measure the hemorrhage area using ImageJ software.
Anxiety levels assessed by State-Trait Anxiety Inventory-State (STAI-S)
State-Trait Anxiety Inventory-State (STAI-S) questionnaire both before and after treatment to assess changes in anxiety levels
Patient satisfaction assessed by a satisfaction score questionnaire
Patient satisfaction with the treatment process will be assessed using a 10-point Likert scale satisfaction score collected after the procedure, where 1 indicates "not satisfied at all" and 10 indicates "completely satisfied".
Physician's assessment of patient cooperation during the procedure
Physician's assessment of patient cooperation during the procedure Patient cooperation will be assessed by the physician immediately after the procedure using a 10-point Likert scale, where 1 indicates completely uncooperative and 10 indicates fully cooperative. The scale is based on observable patient behavior such as adherence to instructions, physical movements, and verbal interaction during the procedure.
Total procedure time
The time duration from the start of disinfection to the completion of the injection.
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