By Dennis ThompsonHealthDay Reporter
WEDNESDAY, June 22, 2016 (HealthDay News) -- A short-lived optical sensation can lead some smartphone users to mistakenly believe they've lost sight in one eye, British doctors report.
The temporary vision loss can affect people who read their smartphone in the dark while lying on their side, explained Dr. Gordon Plant, an ophthalmologist with Moorfields Eye Hospital in London.
When they stop reading and get up to do something else, they might suddenly lose vision in the eye they've been using to read their smartphone, said Plant, senior author of a paper on the phenomenon.
Luckily, it's a temporary condition that lasts for several minutes, with no risk of permanent damage, he added.
Plant said he wrote the paper because these people might think they've suffered a stroke or some other medical emergency.
"I have seen a dozen or so similar cases," Plant said. "The reason I wish to make this known is because it leads to anxiety and unnecessary investigation because the patients ...