Signs advising people to wear eclipse glasses are posted in Cascades Gateway Park, in Salem, Oregon, on August 21, 2017. Elaine Thompson/APSunrises and sunsets are typically our most tempting reasons to look at the sun, but never when it’s high in the sky and livening up our days with its life-sustaining rays — until an eclipse happens.Here’s your reminder, from astronomers and optometrists alike: It’s never OK to look directly at the sun, even with sunglasses on. Just don’t do it. Ever.The only time it’s safe to view the sun without eye protection is during the “totality” of a…