Instrument-Based Vision Screening


Instrument-Based Vision Screening, Photoscreening, Autorefraction, Videophotorefraction

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