Method for improving eye condition

A method for reducing intraocular pressure, comprising orally administering to a human in need thereof, an effective amount of a composition containing a degradation product obtained by degrading a comb with a protease and removing solids from the comb degraded with the protease, wherein;

• the degradation product contains an ethanol-soluble component in an amount of 70% by dry weight or more;
• and
• the degradation product contains a low-molecular weight hyaluronic acid having a molecular weight of 380 g/mol to 5000 g/mol in an amount of 95% by mass or more of total hyaluronic acid contained in the degradation product.