Koller was impressed, thought it likely to be useful in eye operations and two months later tried it out , first on animals and then on his own eyes with complete success.

• 这给科勒留下了深刻印象，他觉得这可用于眼部手术并在两个月后开始试验，先是在动物身上，之后在自己的眼睛上，并取得了完全的成功。