II. Indications
- Pediatric Vision Screening in pre-verbal children or non-verbal older children
- Preferred Vision Screening in age 3 to 5 years
- May be used down to age 1 to 2 years when indicated
III. Mechanism
- Instrument-Based Vision Screening detects visual defects using one of two methods
- Photoscreening uses Red Reflex images to detect Refractive Errors and Strabismus
- Autorefraction automates retinoscopy to detect Refractive Error