The dry eyes are caused by the not appropriate use of eyes. For example, too much use in front of the computer may cause the dry eyes. You can feel this. And the pink eyes are a kind of eye disease which can be contagious. The eyes may get red. You should have a good rest for the eyes.
Dry eyes are totally different from pink eyes. Dry eyes, as the name implies, you will feel eye dry. And you can solve this problem by using eye drops. And dry eyes won't transmit to others. However, pink eyes is caused by infection or inflammation. And people with pink eyes are appear red in their eyes. They will feel pain and also tearing. Hope this helps.
If you have dry eyes, your eyes will have sensation of dryness, foreign body sensation, burning sensation, gargalesthesia, photophoby, blurred vision, vision fluctuate, visual fatigue and no patience with environment full of smoke. Moreover, your eyes will become red as well. However, if you have pink eye, your eyes will feel dry, itchy and uncomfortable as if there are sand in your eyes. At the same time, you will feel your eyelids are too heavy for you to open and feel your eyes exhausted. When you wake up in the morning, there are eye secretions attached to your eyelids and white spumescent secretions in your eyes as well. If you turn over your eyelids, you will see your palpebral conjunctiva bloodshot, coarse and your vascular lake unclear. However, pink eye has the same symptom of bloodshot eyes. But you have to recognize that dry eyes is not inflammatory disease and it should not treated by anti-inflammatory eyedrops. And dry eye is different from pink eye because it is infectious disease and use anti-inflammatory eyedrops.
Dry eye is described as insufficient or poor quality of tears to lubricate and nourish the eyes. As we all known, tears are necessary for maintaining the health of the front surface of the eye and for providing clear vision. Dry eye is often chronic problem, particularly in older adults, and not be contigious,either. People who have dry eyes do not produce enough tears to moisture eyes. Pink eye is an inflammation of the conjunctiva that would be contigious, because it can be caused by bacteria or viruses and other infections, inlcuding ear infections, sinus infections and sore throats. It would make the white part of the eye and the inner surface of the eyelids become red. But it ususally causes no long-term eye or vision damage.