Lumecare Carmellose 0.5% 12 hour Eye Drops provide soothing, hydrating relief from the discomfort of dry eyes. Preservative-free Lumecare Carmellose eye drop vials, moisturise and relieve dry eye sensations while being contact lens friendly. 30 x 0.4ml vials. Lumecare carmellose 0. 5% eye drops give lasting and soothing relief for up to 4 hours and protect against burning, irritation and discomfort due to eye dryness or exposure to environmental factors. Frequent use of Lumecare Carmellose 0. 5%, re-wets and saturates the dehydrated eye and prevents the condition from worsening. Suitable for moderate to severe dry eyes and for use with all contact lenses. The drops can be placed directly on the lenses to make insertion much more comfortable. What causes dry eyes?Dry eyes are a common condition that can affect anyone. In most cases, it is not serious and can be treated quickly. Dry eyes can be caused by a number of conditions, including: Age - It is more common in people over 50Wearing contact lenses Air conditioned environments Safe across a range of applications Looking at computer screens for long periods Windy, dusty, cold, or dry outside Being in a smoky environment Drinking alcohol Certain types of medication such as antidepressants