. >> this removes skin of the eye using a medication called riboflavin which is a vitamin, and light. >> weigh watched as he performed a procedure. >> a lot of waterness, dryness, when looking at the screen. >> dr. bosra guides a device carefully removing the top layer of the cornea. next, he and his team adding riboflavin into the eye over 20 minutes finally got into a device into place. victor's eye glows green. the light interacts with the drops. researchers say it causes kol kuls to bond or cross link. >> by linking it makes it stronger so you think of putting mesh on a dam it's strengthening in that way. >> that is it. >> after four minutes victor will be able to go home with an eye patch. >> it means a lot. you know? driving. >> for bobby it's stabilized her vision allowing they are see well enough with glasses to persue the hand work she loves. >> no water what goes on i'll be able to do the things i like doing in live. >> the out of pocket costs for patients averages about 4,000s oodz well, coming up here on abc 7 news, michael finney two women whose telephone lines got crosse