Millions of people are affected by dry eye syndrome and the prevalence of dry eye increases with age. An estimated 3.2 million women and over and 1.68 million men age 50 and over are affected by dry eye syndrome.

Here are some risk factors for dry eye:

Aging: Advancing age is the single most important risk factor for dry eye. Most of our body’s moisture-producing glands produce less moisture as we age.

Gender: Women are twice as likely as men to suffer from dry eye. Changes in hormone levels throughout your lifetime often affect the amount of moisture produced by the lacrimal glands that produce tears.

Medical problems: Several diseases result in increased risk for dry eye syndrome, including rheumatoid arthritis, diabetes, thyroid abnormalities, asthma, cataracts, glaucoma, and lupus.

Medication: Certain medications can decrease the body's ability to produce lubricating tears.

Contact lenses: Dry eye is the leading cause of contact lens discomfort or...

In light of the holiday season, here are our top 10 eye care jokes.

1) What do you call a blind deer? No Eye Deer!

2) What do you call a blind deer with no legs? Still No Eye Deer!

3) Why do eye doctors live long lives? Because they dilate!

4) Why did the blind man fall into the well? He couldn’t see that well.

5) Why shouldn’t you put avocados on your eyes? Because you might get guac-coma!

6) What did the right eye say to the left eye? "Between you and me, something smells."

7) A man goes to his eye doctor and tells the receptionist he’s seeing spots. The receptionist asks if he’s ever seen a doctor. The man replies, “No, just spots.”

8) How many eye doctors does it take to screw in a light bulb? One … or two

9) Unbeknownst to her, a woman was kicked out of peripheral vision club. She didn’t see that one coming!

10) What do you call a blind dinosaur? A do-you-think-he-saurus

Bonus: What do you call a blind dinosaur’s dog? A do-you-think-he-saurus...