Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate
2011-08-09
2011-08-09
Collins, Darryl J (Department: 2873)
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
C351S246000, C351S219000
Reexamination Certificate
active
07993000
ABSTRACT:
Imaging an eye of an animal can include injecting a ring of light through an outer portion of an entrance pupil of the eye of the animal onto a back interior portion of the eye. Light reflected off of the back interior portion of the eye and through an exit pupil effectively located at the entrance pupil within the ring of light can be collected. A diameter of the exit pupil at the entrance pupil can be less than an inner diameter of the ring of light, and a difference between an outer diameter of the ring and the inner diameter of the ring can be at least twenty percent of a diameter of the eye. The collected light reflected off of the back interior portion of the eye can be focused to thereby form an image of the back interior portion of the eye.
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Collins Darryl J
Kirton & McConkie
Phoenix Research Laboratories
Wilkes Zachary
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