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Vision Screening Program

ASI's Vision Screening Program in industry is to identify employees in need of ophthalmic services. Our intent is to identify employees needing referral to the proper practioners, thus helping to reduce accidents due to vision issues. Our Vision testing program is designed to screen employees in eight (8) areas with a PASS/FAIL result. Our on-site screening test includes:

   Binocularity - Muscle function of both eyes working together
   Vision Acuity - Measure sharpness of vision (i.e. 20-20 vision, 20-40 vision, etc.)
   Stereo Depth Perception - Relative distance measurement
   Color Perception - Color Blindness screening
   Vertical Phoria - Muscle posture on a vertical plane
   Lateral Phoria - Muscle posture a lateral plane
   Horizontal Visual Fields - Measures peripheral vision

An additional Intermediate Screening:

The need for testing of Intermediate Vision, the distances between 20 and 40 inches has been done rather randomly in the past. The assumption was good vision at far (20 feet) and near (14 inches) also meant good vision at intermediate distances. However, machine operators who operate machinery at arm's length or shortly beyond, engineers who read dials at these distances and those in occupations requiring similar vision seemingly were handicapped and often suffered eye problems because they did not have corrective lenses for this work distance. The tremendous increase in the use of computers and visual display terminals, most of which are set beyond the normal reading distance, has resulted in focusing attention to the eye fatigue problems of the operators and has emphasized the need for screening at the intermediate distances.


The intermediate screening is conducted using a lens unit distance of 31.5 inches and is most commonly used as a representation of work at arm's length.

 

 

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