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Use "refractions" in a sentence
"He looks through networks of refractions on the window toward the canyons of light."
"Each lens can be adjusted to help focus eye refractions of 0.02 to 0.50, a measure of eyesight, meaning the strength of the lens changes from -6.0 dioptres to +3.0 dioptres, a unit of lens focus, by rotating dials on the side of each frame."
"Strung by a child in a country I cannot find on a map, the tiger-eyes match each other unevenly: similar shapes with different refractions of yellow and black."