will apply to all services performed on or after the above revision date which
will become the new effective date.
services referred to in this policy that were performed before the revision
date, contact customer service for the rules that would apply.
corneal topography (also known as computer assisted corneal topography, computer
assisted keratography, corneal mapping or video-keratography) is a computer
assisted diagnostic technique in which a special instrument projects a series of
light rings on the cornea, creating a color-coded map of the corneal surface as
well as a cross-section profile. This test is used for the detection of subtle
corneal surface irregularities and astigmatism.
mapping is covered for an identified set of indications, but not in relation to
either preoperative or postoperative care relating to non-covered refractive