1. A method for treating eye discomfort in humans, comprising topically applying at least a portion of the outer surface of the eyelid of the eye to be treated, a therapeutically effective amount of a liquid composition of a cooling agent containing a cooling agent, wherein the cooling agent is 2,3-dihydroxypropyl ether ( 1R, 2S, 5R) -2-isopropyl-5-methylcyclohexanecarboxylic acid. 2. The method according to claim 1, characterized in that the cooling agent is present in the liquid composition of the cooling agent in a concentration of from 0.01 to 1 wt.% / Vol. 3. The method according to claim 1, characterized in that the liquid composition of the cooling agent further comprises an auxiliary ophthalmic drug. The method according to claim 2, characterized in that the liquid composition of the cooling agent further comprises an auxiliary ophthalmic drug. The method according to claim 3, characterized in that the auxiliary ophthalmic drug is a polymeric lubricant, hypromellose, polyethylene glycol 400, hyaluronan or propanediol. The method according to claim 4, characterized in that the auxiliary ophthalmic drug is a polymeric lubricant, hypromellose, polyethylene glycol 400, hyaluronan or propanediol. The method according to claim 1. characterized in that the liquid composition of the cooling agent is applied to a napkin, tampon or wet towel or is contained in a napkin, tampon or wet towel. The method according to claim 2, characterized in that the liquid composition of the cooling agent is applied to a napkin, tampon or wet towel, or is contained in a napkin, tampon or1. Способ лечения дискомфорта глаз у человека, включающий местное применение на по меньшей мере части наружной поверхности века глаза, подлежащего лечению, терапевтически эффективного количества жидкой композиции охлаждающего агента, содержащей охлаждающий агент, при этом охлаждающий агент представляет собой 2,3-дигидроксипропиловый эфир (1R,2S,5R)-2-изопропил-5-метилциклогексанкарбоновой кислоты.2. Спо
