An optical member comprising: a substrate; and a low-refractive index layer formed on the substrate, wherein the low-refractive index layer comprises; a first binder containing a photopolymerized product of a mixture of one or both of a side-chain reactive-type photopolymerizable fluoropolymer and a photopolymerizable fluorine-containing monomer represented by Formula Z 1 -CF 2 O-(CF 2 CF 2 O) d -(CF 2 O) e -CF 2 -Z 2 and a siloxane compound represented by Formula: wherein, in Formula, R 1 to R 3 are each independently a linear or branched C1-C10 alkyl group; X is at least one selected from a photoreactive group, an alkyl group, a phenyl group, an amino group, an isocyanate group, a vinyl group, a mercapto group, and a glycidoxy group and comprises at least one photoreactive group; and n is an integer of 1 to 20; and wherein in Formula, Z 1 and Z 2 are identical to or different from each other and are each independently an organic group having a urethane backbone and an acryloyl or methacryloyl group at a terminal; d is an integer of 0 or greater; and e is an integer of 1 or greater; hollow silica particles distributed in the first binder; and a photopolymerized product of a one-end reactive-type photopolymerizable fluoropolymer, and a modified silicone, which are mainly distributed in a surface side; and wherein the modified silicone is at least one selected from Formulae to: wherein, in Formulae to, R 1 to R 6 are each independently an organic group having one selected from an amino group, a hydroxyl group, an isocyanate group, a vinyl group, a mercapto group, a glycidoxy group, an acryloyl group, and a methacryloyl group, at a terminal; and m 2, m 3, n 1, n 2, and n 3 are each independently an integer of 1 or greater. a substrate; and a low-refractive index layer formed on the substrate, wherein the low-refractive index layer comprises; a first binder containing a photopolymerized product of a mixture of one or both of a side-chain reactive-type photopolymerizable fluoropolymer and a photopolymerizable fluorine-containing monomer represented by Formula Z 1 -CF 2 O-(CF 2 CF 2 O) d -(CF 2 O) e -CF 2 -Z 2 and a siloxane compound represented by Formula: wherein, in Formula, R 1 to R 3 are each independently a linear or branched C1-C10 alkyl group; X is at least one selected from a photoreactive group, an alkyl group, a phenyl group, an amino group, an isocyanate group, a vinyl group, a mercapto group, and a glycidoxy group and comprises at least one photoreactive group; and n is an integer of 1 to 20; and wherein in Formula, Z 1 and Z 2 are identical to or different from each other and are each independently an organic group having a urethane backbone and an acryloyl or methacryloyl group at a terminal; d is an integer of 0 or greater; and e is an integer of 1 or greater; one or both of a side-chain reactive-type photopolymerizable fluoropolymer and a photopolymerizable fluorine-containing monomer represented by Formula Z 1 -CF 2 O-(CF 2 CF 2 O) d -(CF 2 O) e -CF 2 -Z 2 and a siloxane compound represented by Formula: wherein, in Formula, R 1 to R 3 are each independently a linear or branched C1-C10 alkyl group; X is at least one selected from a photoreactive group, an alkyl group, a phenyl group, an amino group, an isocyanate group, a vinyl group, a mercapto group, and a glycidoxy group and comprises at least one photoreactive group; and n is an integer of 1 to 20; and wherein in Formula, Z 1 and Z 2 are identical to or different from each other and are each independently an organic group having a urethane backbone and an acryloyl or methacryloyl group at a terminal; d is an integer of 0 or greater; and e is an integer of 1 or greater; wherein, in Formula, R 1 to R 3 are each independently a linear or branched C1-C10 alkyl group; X is at least one selected from a photoreactive group, an alkyl group, a phenyl group, an amino group, an isocyanate group, a vinyl group, a mercapto group, and a glycidoxy group and comprises at least one photoreactive group; and n is an integer of 1 to 20; and wherein in Formula, Z 1 and Z 2 are identical to or different from each other and are each independently an organic group having a urethane backbone and an acryloyl or methacryloyl group at a terminal; d is an integer of 0 or greater; and e is an integer of 1 or greater; hollow silica particles distributed in the first binder; and a photopolymerized product of a one-end reactive-type photopolymerizable fluoropolymer, and a modified silicone, which are mainly distributed in a surface side; and wherein the modified silicone is at least one selected from Formulae to: wherein, in Formulae to, R 1 to R 6 are each independently an organic group having one selected from an amino group, a hydroxyl group, an isocyanate group, a vinyl group, a mercapto group, a glycidoxy group, an acryloyl group, and a methacryloyl group, at a terminal; and m 2, m 3, n 1, n 2, and n 3 are each independently an integer of 1 or greater.