Infant's dark-brown eyes suddenly turn indigo blue after COVID-19 antiviral treatment. But why?

[admin]

In a rare case, the brown eyes of a 6-month-old boy with COVID-19 turned blue after he was given the antiviral favipiravir.

Infant's dark-brown eyes suddenly turn indigo blue after COVID-19 antiviral treatment. But why? : Read more

 

[Ratwrangler]

There are no blue pigments in birds or mammals. The blue we see is caused by an effect called Rayleigh scattering and is a function of light. If these subjects' eyes turned blue due to a pigment, then the drug had to have created it.