In a side-by-side comparison with a Pixel 10 Pro, the author said Samsung's 2,600-nit display was markedly harder to see outdoors than Google's 3,300-nit panel.
The author said the S26 Ultra triggered eye pain, nausea and migraine symptoms within minutes, and noted some customers had also returned the phone over eye strain and related issues.
They said the exact cause remains unclear, with Privacy Display and low PWM dimming both possible factors, but argued the problem could deter any return to Samsung phones if unchanged.
With its flagship causing migraines, what is Samsung's responsibility to its health-sensitive customers?
Is Samsung’s innovative 'Privacy Display' a health hazard hiding in plain sight for its users?