A few smart ways to give your eyeballs a rest. Working your eyes too hard can lead to eyestrain, that must-close-my-lids sensation often accompanied by blurred vision, headaches and neck pain, says Avnish Deobhakta, MD, assistant professor of ophthalmology at New York City's Icahn School of Medicine at Mount Sinai. Perk up tired peepers by following this advice: See an eye doc. Visit an optometrist to rule out presbyopia, a condition that affects your ability to clearly view nearby objects, leading to eyestrain. Everyone develops some degree of presbyopia by the time they're 50, thanks to age-related hardening of the eye's lens, says Gardiner. If diagnosed, you'll need reading glasses or bifocals (over-the-counter or prescription, depending on severity). Pick a pair you'll enjoy wearing, since they can help your eyes see—and feel—better. Space out. When you look at your computer screen, the ciliary muscle in your eye changes