article_snippet.sent: Mr Gupta said her retina does not conduct electricity well, suggesting the injury was caused by the heat produced when the bolt struck.
article_snippet.sent: Dr Permesh Dhillon, a medical internist at Pilgrim Hospital in Boston, said the heat from the bolt is thought to have burned a hole in A 77-year-old woman's retina.
highlights_snippet.sent: A scan of Woman retina revealed heat from the bolt burned a hole in her retina .