But sometime ago, through the help of an opthamologist colleague of mine, Carmen Puliafito, who developed a laser scanner of the retina, I found out the the following.
但是有一次， 我的眼科同事 卡门·佩拉法特， 她开发了一个视网膜的激光扫描仪， 在她的帮助下我发现了下面的问题。