On average we blink between 12 and 15 times per minute although people with dry eyes tend to blink considerably less. The main treatment for dry eyes is the use of a tear supplement. It is most effective when used as a course of treatment when applied three to four times per day for up to 28 days. This procedure may need to be repeated every few months. Unpreserved products are also available for those with sensitive eyes.
Prevention is better than cure for dry eyes.
Evaporation accounts for one third of total tear production and preventing the eyes from drying out will reduce both the symptoms and the amount of rewetting required. If possible avoid air-conditioned environments, draughts, central heating and car heaters. Use room humidifiers, bowls of water placed strategically or just moist sponges. Use close fitting spectacle side-shields especially in dry, windy conditions. If you use a computer for long periods, try to place your monitor below eye level.