×

Method of determining strain condition of the eye

  • US 3,406,681 A
  • Filed: 05/13/1963
  • Issued: 10/22/1968
  • Est. Priority Date: 05/13/1963
  • Status: Expired due to Term
First Claim
Patent Images

9. A METHOD FOR INVESTIGATING THE PHYSIOLOGICAL AND HEALTH CONDITION OF THE LIVING EYE THROUGH PHOTOELASTIC PATTERNS WHICH COMPRISES PROJECTING POLARIZED LIGHT THROUGH THE CORNEA TO THE IRIS TO PRODUCE REFLECTION OF LIGHT THEREFROM, THE CORNEA PRODUCING BIREFRINGENCE OF THE LIGHT PASSING THERETHROUGH, AND RECEIVING AND ANALYZING THE LIGHT REFLECTED BACK THROUGH THE CORNEA BY THE IRIS WHEREBY THE STRESSES AND STRAINS IN THE CORNEA PRODUCE BIREFRINGENCE RESULTING IN SIGNIFICANT PATTERNS OF THE RECEIVED AND ANALYZED LIGHT.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×