Is it safe to use redness relief eye drops
Is it safe to use ‘Redness Relief’ eye drops regularly?
The short answer is NO.
Here’s the slightly longer answer.
There are several eye “Redness Relief” products on the over-the-counter market, such as those made by Visine, Clear Eyes, and Bausch & Lomb – as well as generic versions sold by pharmacy chains.
Most commonly, the active ingredient in redness relief drops is either Tetrahydrozoline or Naphazoline. Both of these drugs are in a category called sympathomimetics.
Sympathomimetics, the active ingredient in redness relief drops, work by a process called vasoconstriction, or artificially clamping down the superficial blood vessels on the eye surface. These blood vessels often dilate in response to the irritation. This increase in blood flow is trying to help repair whatever irritation is affecting the surface of the eye. Clamping down on those vessels by using a vasoconstrictor counteracts the body’s efforts to repair the problem.
The other downside to repetitively using redness relief drops is that after the vasoconstrictor wears off the vessels often dilate to an even larger degree than when the process started. This stimulates […]