Anti-fogging plastic spectacle lens

An anti-fogging plastic spectacle lens comprising

• a water absorbent layer obtained from a composition, wherein
• the composition contains:
• a (meth)acrylic-based resin (A), a polyfunctional isocyanate compound (B) and an epoxide (c);
• wherein the (meth)acrylic-based resin (A) has a constituent unit derived from a monomer (a-1) represented by chemical formula (1) below, a constituent unit derived from a monomer (a-2) represented by chemical formula (2) below, a constituent unit derived from a hydroxyalkyl (meth)acrylate (a-3), and a constituent unit derived from a monomer (a-4) represented by chemical formula (3) below;
• the epoxide (C) as an organic compound having a plurality of epoxy groups, wherein
• wherein a proportion of the constituent unit derived from the monomer (a-1) is 20 mass % or more and 65 mass % or less, a proportion of the constituent unit derived from the monomer (a-2) is 10 mass % or more and 40 mass % or less, and a proportion of the constituent unit derived from the monomer (a-4) is 1 mass % or more and 10 mass % or less relative to 100 mass % of all constituent units in the (meth)acrylic-based resin (A),
• in chemical formula (1), R1 is a hydrogen atom or methyl group, R2 and R3 are hydrogen atoms or linear or branched alkyl groups having 1 to 3 carbon atoms, and R2 and R3 may be identical to or different from one another,
• in chemical formula (2), R4 is a hydrogen atom or methyl group, and n1 is an integer of 1 or more and 5 or less, and
• in chemical formula (3), R5 is a hydrogen atom or methyl group, R6 is a divalent organic group, and n2 is an integer of 0 or not less than 1.