A coating composition comprising: either A) a plurality of silica nanoparticles functionalized with: i) a compound comprising a poly(ethyleneoxy) segment containing at least one hydroxyl group, at least one functional silane, and optionally a hydrophobic group, wherein the compound comprises a molecular weight ranging from 500 grams per mole to 25,000 grams per mole, inclusive; ii) an alkenyl silane; and iii) a dispersing agent; B) a first multifunctional (meth)acrylate monomer; and C) a second multifunctional (meth)acrylate monomer; or A') a first plurality of silica nanoparticles functionalized with: i) a compound comprising a poly(ethyleneoxy) segment containing at least one hydroxyl group, at least one functional silane, and optionally a hydrophobic group, wherein the compound comprises a molecular weight ranging from 500 grams per mole to 25,000 grams per mole, inclusive; and ii) a dispersing agent; B') a second plurality of silica nanoparticles functionalized with: i) an alkenyl silane; and ii) the dispersing agent; C') a first multifunctional (meth)acrylate monomer; and D') a second multifunctional (meth)acrylate monomer, wherein the functional silane is of the following Formula II: R 1 n -Si-R 2 p -L-R 3 r II wherein R 1 is a C 1 -C 20 alkoxy, a C 6 -C 20 aryloxy, a halogen, or OH; R 2 is a hydrolyzable group; L is a divalent linker; R 3 is an amine, a halogen, an ester, or a sulfonate; and p is 1-2, r is 1-3, and n is 3-p. A) a plurality of silica nanoparticles functionalized with: i) a compound comprising a poly(ethyleneoxy) segment containing at least one hydroxyl group, at least one functional silane, and optionally a hydrophobic group, wherein the compound comprises a molecular weight ranging from 500 grams per mole to 25,000 grams per mole, inclusive; ii) an alkenyl silane; and iii) a dispersing agent; i) a compound comprising a poly(ethyleneoxy) segment containing at least one hydroxyl group, at least one functional silane, and optionally a hydrophobic group, wherein the compound comprises a molecular weight ranging from 500 grams per mole to 25,000 grams per mole, inclusive; ii) an alkenyl silane; and iii) a dispersing agent; B) a first multifunctional (meth)acrylate monomer; and C) a second multifunctional (meth)acrylate monomer; A') a first plurality of silica nanoparticles functionalized with: i) a compound comprising a poly(ethyleneoxy) segment containing at least one hydroxyl group, at least one functional silane, and optionally a hydrophobic group, wherein the compound comprises a molecular weight ranging from 500 grams per mole to 25,000 grams per mole, inclusive; and ii) a dispersing agent; i) a compound comprising a poly(ethyleneoxy) segment containing at least one hydroxyl group, at least one functional silane, and optionally a hydrophobic group, wherein the compound comprises a molecular weight ranging from 500 grams per mole to 25,000 grams per mole, inclusive; and ii) a dispersing agent; B') a second plurality of silica nanoparticles functionalized with: i) an alkenyl silane; and ii) the dispersing agent; i) an alkenyl silane; and ii) the dispersing agent; C') a first multifunctional (meth)acrylate monomer; and D') a second multifunctional (meth)acrylate monomer, wherein R 1 is a C 1 -C 20 alkoxy, a C 6 -C 20 aryloxy, a halogen, or OH; R 2 is a hydrolyzable group; L is a divalent linker; R 3 is an amine, a halogen, an ester, or a sulfonate; and p is 1-2, r is 1-3, and n is 3-p.