WATCH: We ask Singaporeans - is this dress blue and black or white and gold?
There is only one thing right now that has the power to divide nations. Split families. And break friendships.
And that is the blue and black dress. (Although some will also argue passionately that it is white and gold).
The colour of the dress has been the subject of a raging Internet debate.
In fact, even Prime Minister Lee Hsien Loong has stepped in to say that he sees white and gold.
For the record, the dress is black and blue.
But does that mean there is something wrong with your eyes?
Folks who see white and gold can heave a sigh of relief.
Your eyes are fine.
Dr Leo Seo Wei, an ophthalmologist, says that the reason why people fall into different camps is because their brains perceive the background illuminating light differently.
Read the full report in our print edition on Feb 28.