to the eye

"We already knew that certain mutations in these subunits are linked to the eye disease retinitis pigmentosa," says Dr. Cristian Prieto-Garcia from the Institute of Biochemistry II, the first author of the study.

If the worker was exposed by a splash of contaminated milk to the eye, or a rub of the eye with a contaminated glove, the virus may have been stalled out — unable to replicate like it could have had the worker been exposed via inhalation.

“He was having trouble seeing. Obviously taking a little bit of trauma to the eye, it takes a little bit of time to get your clear vision back. But other than that, no update.”

It also features what has been thought to be the first written appearance of one of the story's most famous lines: "It is only with the heart that one can see rightly; the essential is invisible to the eye."

Sylvia also says that for visually-impaired people the familiarity of the route to the eye hospital is vital.