A composition for providing relief to a discomfort of an eye comprises a pharmaceutically acceptable carrier and a polysaccharide extracted from a plant source. In certain embodiments, such a polysaccharide can be extracted from mushrooms, such as from the Tremella fuciformis species. The composition is administered to an affected eye to provide such relief or discomfort.本發明揭示用於緩解眼睛不適之組合物,其包括醫藥上可接受之載劑及自植物來源提取之多醣。在某些實施例中,可自蘑菇、例如自白木耳(Tremella fuciformis)提取此一多醣。將該組合物投與受影響眼睛以提供該針對不適之緩解。