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...

One of the hardest questions eye care professionals deal with every day is when to tell people who are having difficulty with their vision to stop driving.

Giving up your driving privilege is one of the most difficult realities to come to terms with if you have a problem that leads to permanent visual decline.

The legal requirements vary from state to state. For example, in New Jersey the legal requirement to drive, based on vision, is 20/50 vision or better with best correction in one eye for a “pleasure” driving license. For a commercial driving license, the requirement is 20/40 vision or better in both eyes.

In some states there is also a requirement for a certain degree of visual field (the ability to see off to the sides).

According to the Insurance Institute for Highway Safety, the highest rate of motor vehicle deaths per mile driven is in the age group of 75 and older (yes, even higher than teenagers). Much of this increased rate could be attributable to...