You can make use of some prescription eye drops, such as cyclosporine, to help formulate tears. Cyclosporine has an effect of speeding up the recovery of corneal sensitivity and returning the eye to normal moisture. And you can adopt punctal plugs to increase moisture on the eye. Wish you better soon.
Well, yes, it is annoying to have dry eyes. And in common, if you do not have the necessary balance of these three layers in your eyes, it can be possible to have dry eyes. Also, if your eyes do not make enough tears to coat the eye, dry eyes may occur too. At this moment, your eyes will feel discomfort, including irritation, burning, grittiness, redness, tearing. For your situation, I will suggest you take some foods which are rich in vitamins such as the fishes and some other vegetables. Also, drinking more water can be helpful too.
PRK and Lasik surgery are the most common type of refractive surgery used to treat any vision problems, like myopia, hyperopia or astigmatism. And eye dryness syndrome is also the most common side effect from this kind of surgery. It is hard to tell how long this syndrome would last because the period varies from individual to individual. Many people claimed to experience it for more than one year. And the FDA reports also warned people that the risk might be permanent. To get rid of the dryness, you need to pay more attention on the care for eyes. Ensure there is a humidifier near to you. Air might be very dry which could make the dryness even worse, especially with air conditioner. Add a humidifier to make the air moist which could alleviate discomfort. Apply some warm saline water compress. The water could moisturize your eyes and the warmth could help promote blood circulation and tear film production. You can even use saline water as drops to reduce the dryness. Don't prolong the eyes' working time, take frequent breaks and have a healthy diet rich is lutein, vitamins and omega-3 fatty.