article_snippet: A specific laser frequency passes through the clear cornea of the eye, before A specific laser frequency is selectively absorbed by the dark pigment covering the iris .
article_snippet: A specific laser frequency passes through the clear cornea of the eye, before A specific laser frequency is selectively absorbed by the dark pigment covering the iris.
article_snippet: A specific laser frequency passes through the clear cornea of the eye, before A specific laser frequency is selectively absorbed by the dark pigment covering the iris.