The most common eye disorder which can affect an individual eyes is Dry Eyes. Nowadays, dry eyes is being a common eye problem which can affect anyone due to inadequate and unstable tear flow or productions. Understanding tear layers and its mechanism is quite complex as tear structure is made up of various components. The interactions of tear layer which composed of lipid, protein, salts, mucin and water is quite essential to obtain its stability. The outermost lipid layer functions to prevent our tear from evaporating, the middle layer of aqueous supplies moisture to our eyes, and the innermost mucus layer is to allow our tear to stick on the front surface of cornea. When this layer has been interrupted, dry eyes may occurs. There are numerous causes and reason…
