One of the biggest risks is the roundworm Toxicara canis which infects dogs and can cause anything from stomach ache to eye damage.

BBC: Pets boost children's health

Their mechanism may even work on other diseases, such as macular degeneration, a leading cause of blindness, and even eye damage from diabetes, some researchers believe.

FORBES: Targeting Tumors

It's derived from dimethyl sulfoxide (DMSO), which was promoted as a pain reliever in the 1960s and 1970s until scientists discovered in animal tests that it caused eye damage in high doses.

FORBES: Blue Streak

Today the agency proposed a new requirement that, if finalized, will require warnings on the use of ultraviolet light-emitting tanning beds by individuals under age 18 because of the increased risk of melanoma, squamous cell carcinoma, eye damage, and premature skin aging.

FORBES: If Tanning Beds Were A Drug, They'd Be Illegal

They include Caleb Medley, who lost an eye and suffered brain damage.

CNN: SHARE THIS

Officials have said it is "just a matter of time" before a child is left with serious and permanent complications, such as eye disorders, deafness or brain damage, or even dies.

BBC: Wales

It added that it was "just a matter of time" before a child was left with serious and permanent complications, such as eye disorders, deafness or brain damage, or even dies.

BBC: Measles: Over 500 cases in Swansea epidemic