Murine Dry and Tired eyes eye drops are specially formulated with two lubricants to help moisturise and refresh dry, tired eyes. Murine eye drops liquid gel is ideal for dry, tried and gritty eyes. Eyes can become dried out from several factors such as heating, air conditioning, wind, smoke, dust, computer use, driving, overwork or swimming. Murine liquid gel helps to moisturise and soothe dried out and tired eyes.