New Delhi, Jan 05 (ANI): Political leaders reacted on Monday after at least three people lost their eye sight during cataract surgery at an eye camp in Mathura. JD (U) leader KC Tyagi said that such surgeries should be conducted under government’s supervision. BJP leader Vijay Bahadur Pathak said that such camps which are meant to provide relief to the general public in turn prove to be dangerous, so proper investigation should be conducted before their set up. Minister of State for Parliamentary Affairs Mukhtar Abbas Naqvi said that the government should be careful when such camps are conducted.